9780149948

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{78872177}}^1$

素因数の和:78872212

約数の個数: 12

約数和(自身を含む): 17667367872

約数和(自身を除く): 7887217924

約数列:

[1, 2, 4, 31, 62, 124, 78872177, 157744354, 315488708, 2445037487, 4890074974, 9780149948]

約数ペア:

[(1, 9780149948), (2, 4890074974), (4, 2445037487), (31, 315488708), (62, 157744354), (124, 78872177)]