221036373988

素因数分解:

$2^2\times {\mathrm{4447}}^1\times {\mathrm{12426151}}^1$

素因数の和:12430602

約数の個数: 12

約数和(自身を含む): 386900668672

約数和(自身を除く): 165864294684

約数列:

[1, 2, 4, 4447, 8894, 17788, 12426151, 24852302, 49704604, 55259093497, 110518186994, 221036373988]

約数ペア:

[(1, 221036373988), (2, 110518186994), (4, 55259093497), (4447, 49704604), (8894, 24852302), (17788, 12426151)]