205488115

素因数分解:

$5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{2213}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 287731440

約数和(自身を除く): 82243325

約数列:

[1, 5, 7, 35, 49, 245, 379, 1895, 2213, 2653, 11065, 13265, 15491, 18571, 77455, 92855, 108437, 542185, 838727, 4193635, 5871089, 29355445, 41097623, 205488115]

約数ペア:

[(1, 205488115), (5, 41097623), (7, 29355445), (35, 5871089), (49, 4193635), (245, 838727), (379, 542185), (1895, 108437), (2213, 92855), (2653, 77455), (11065, 18571), (13265, 15491)]