215629799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{21377}}^1$

素因数の和:21526

約数の個数: 16

約数和(自身を含む): 270902016

約数和(自身を除く): 55272217

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 21377, 149639, 235147, 1646029, 2800387, 19602709, 30804257, 215629799]

約数ペア:

[(1, 215629799), (7, 30804257), (11, 19602709), (77, 2800387), (131, 1646029), (917, 235147), (1441, 149639), (10087, 21377)]