1640692207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1\times {\mathrm{20627}}^1$

素因数の和:21678

約数の個数: 16

約数和(自身を含む): 2047617792

約数和(自身を除く): 406925585

約数列:

[1, 7, 11, 77, 1033, 7231, 11363, 20627, 79541, 144389, 226897, 1588279, 21307691, 149153837, 234384601, 1640692207]

約数ペア:

[(1, 1640692207), (7, 234384601), (11, 149153837), (77, 21307691), (1033, 1588279), (7231, 226897), (11363, 144389), (20627, 79541)]