221881612

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{797}}^1\times {\mathrm{881}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 394148160

約数和(自身を除く): 172266548

約数列:

[1, 2, 4, 79, 158, 316, 797, 881, 1594, 1762, 3188, 3524, 62963, 69599, 125926, 139198, 251852, 278396, 702157, 1404314, 2808628, 55470403, 110940806, 221881612]

約数ペア:

[(1, 221881612), (2, 110940806), (4, 55470403), (79, 2808628), (158, 1404314), (316, 702157), (797, 278396), (881, 251852), (1594, 139198), (1762, 125926), (3188, 69599), (3524, 62963)]