217597913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{1009}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 239757840

約数和(自身を除く): 22159927

約数列:

[1, 13, 53, 313, 689, 1009, 4069, 13117, 16589, 53477, 215657, 315817, 695201, 4105621, 16738301, 217597913]

約数ペア:

[(1, 217597913), (13, 16738301), (53, 4105621), (313, 695201), (689, 315817), (1009, 215657), (4069, 53477), (13117, 16589)]