221704570

素因数分解:

$2^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{40531}}^1$

素因数の和:41085

約数の個数: 16

約数和(自身を含む): 399807648

約数和(自身を除く): 178103078

約数列:

[1, 2, 5, 10, 547, 1094, 2735, 5470, 40531, 81062, 202655, 405310, 22170457, 44340914, 110852285, 221704570]

約数ペア:

[(1, 221704570), (2, 110852285), (5, 44340914), (10, 22170457), (547, 405310), (1094, 202655), (2735, 81062), (5470, 40531)]