388950064

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{67339}}^1$

素因数の和:67385

約数の個数: 30

約数和(自身を含む): 795352740

約数和(自身を除く): 406402676

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 67339, 134678, 269356, 538712, 1077424, 1279441, 2558882, 5117764, 10235528, 20471056, 24309379, 48618758, 97237516, 194475032, 388950064]

約数ペア:

[(1, 388950064), (2, 194475032), (4, 97237516), (8, 48618758), (16, 24309379), (19, 20471056), (38, 10235528), (76, 5117764), (152, 2558882), (304, 1279441), (361, 1077424), (722, 538712), (1444, 269356), (2888, 134678), (5776, 67339)]