Пошаговое объяснение:
D (42) = ±1; ÷2; ±3; ±6; ±7; ±14; ±21; ±42
D (124) = ±1; ±2; ±4; ±31; ±62; ±124
D (396) = ±1; ±2; ±3; ±4; ±6; ±9; ±11; ±12; ±18; ±22; ±33; ±36; ±44; ±66; ±99; ±132; ±198; ±396
D(680) = ±1; ±2; ±4; ±5; ±8; ±10; ±17; ±20; ±34; ±40; ±68; ±85; ±136; ±170; ±340; ±680
