1247970380

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{382813}}^1$

素因数の和:382985

約数の個数: 24

約数和(自身を含む): 2636822832

約数和(自身を除く): 1388852452

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 382813, 765626, 1531252, 1914065, 3828130, 7656260, 62398519, 124797038, 249594076, 311992595, 623985190, 1247970380]

約数ペア:

[(1, 1247970380), (2, 623985190), (4, 311992595), (5, 249594076), (10, 124797038), (20, 62398519), (163, 7656260), (326, 3828130), (652, 1914065), (815, 1531252), (1630, 765626), (3260, 382813)]