389614825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4157}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 507342528

約数和(自身を除く): 117727703

約数列:

[1, 5, 23, 25, 115, 163, 575, 815, 3749, 4075, 4157, 18745, 20785, 93725, 95611, 103925, 478055, 677591, 2390275, 3387955, 15584593, 16939775, 77922965, 389614825]

約数ペア:

[(1, 389614825), (5, 77922965), (23, 16939775), (25, 15584593), (115, 3387955), (163, 2390275), (575, 677591), (815, 478055), (3749, 103925), (4075, 95611), (4157, 93725), (18745, 20785)]