129382408

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{204719}}^1$

素因数の和:204804

約数の個数: 16

約数和(自身を含む): 245664000

約数和(自身を除く): 116281592

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 204719, 409438, 818876, 1637752, 16172801, 32345602, 64691204, 129382408]

約数ペア:

[(1, 129382408), (2, 64691204), (4, 32345602), (8, 16172801), (79, 1637752), (158, 818876), (316, 409438), (632, 204719)]