139144490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1667}}^1$

素因数の和:2182

約数の個数: 32

約数和(自身を含む): 265892544

約数和(自身を除く): 126748054

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 491, 982, 1667, 2455, 3334, 4910, 8335, 8347, 16670, 16694, 28339, 41735, 56678, 83470, 141695, 283390, 818497, 1636994, 4092485, 8184970, 13914449, 27828898, 69572245, 139144490]

約数ペア:

[(1, 139144490), (2, 69572245), (5, 27828898), (10, 13914449), (17, 8184970), (34, 4092485), (85, 1636994), (170, 818497), (491, 283390), (982, 141695), (1667, 83470), (2455, 56678), (3334, 41735), (4910, 28339), (8335, 16694), (8347, 16670)]