209957294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{20107}}^1$

素因数の和:20359

約数の個数: 16

約数和(自身を含む): 330092928

約数和(自身を除く): 120135634

約数列:

[1, 2, 23, 46, 227, 454, 5221, 10442, 20107, 40214, 462461, 924922, 4564289, 9128578, 104978647, 209957294]

約数ペア:

[(1, 209957294), (2, 104978647), (23, 9128578), (46, 4564289), (227, 924922), (454, 462461), (5221, 40214), (10442, 20107)]