42781788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{169769}}^1$

素因数の和:169786

約数の個数: 36

約数和(自身を含む): 123592560

約数和(自身を除く): 80810772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 169769, 339538, 509307, 679076, 1018614, 1188383, 1527921, 2037228, 2376766, 3055842, 3565149, 4753532, 6111684, 7130298, 10695447, 14260596, 21390894, 42781788]

約数ペア:

[(1, 42781788), (2, 21390894), (3, 14260596), (4, 10695447), (6, 7130298), (7, 6111684), (9, 4753532), (12, 3565149), (14, 3055842), (18, 2376766), (21, 2037228), (28, 1527921), (36, 1188383), (42, 1018614), (63, 679076), (84, 509307), (126, 339538), (252, 169769)]