393640418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{42611}}^1$

素因数の和:42793

約数の個数: 16

約数和(自身を含む): 613612800

約数和(自身を除く): 219972382

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 42611, 85222, 1320941, 2641882, 6349039, 12698078, 196820209, 393640418]

約数ペア:

[(1, 393640418), (2, 196820209), (31, 12698078), (62, 6349039), (149, 2641882), (298, 1320941), (4619, 85222), (9238, 42611)]