66425690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 121770000

約数和(自身を除く): 55344310

約数列:

[1, 2, 5, 10, 109, 149, 218, 298, 409, 545, 745, 818, 1090, 1490, 2045, 4090, 16241, 32482, 44581, 60941, 81205, 89162, 121882, 162410, 222905, 304705, 445810, 609410, 6642569, 13285138, 33212845, 66425690]

約数ペア:

[(1, 66425690), (2, 33212845), (5, 13285138), (10, 6642569), (109, 609410), (149, 445810), (218, 304705), (298, 222905), (409, 162410), (545, 121882), (745, 89162), (818, 81205), (1090, 60941), (1490, 44581), (2045, 32482), (4090, 16241)]