221844007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 285410304

約数和(自身を除く): 63566297

約数列:

[1, 7, 11, 61, 73, 77, 427, 511, 647, 671, 803, 4453, 4529, 4697, 5621, 7117, 31171, 39467, 47231, 48983, 49819, 276269, 330617, 342881, 434137, 519541, 2881091, 3038959, 3636787, 20167637, 31692001, 221844007]

約数ペア:

[(1, 221844007), (7, 31692001), (11, 20167637), (61, 3636787), (73, 3038959), (77, 2881091), (427, 519541), (511, 434137), (647, 342881), (671, 330617), (803, 276269), (4453, 49819), (4529, 48983), (4697, 47231), (5621, 39467), (7117, 31171)]