78781028

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 139695192

約数和(自身を除く): 60914164

約数列:

[1, 2, 4, 137, 233, 274, 466, 548, 617, 932, 1234, 2468, 31921, 63842, 84529, 127684, 143761, 169058, 287522, 338116, 575044, 19695257, 39390514, 78781028]

約数ペア:

[(1, 78781028), (2, 39390514), (4, 19695257), (137, 575044), (233, 338116), (274, 287522), (466, 169058), (548, 143761), (617, 127684), (932, 84529), (1234, 63842), (2468, 31921)]