91720655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21061}}^1$

素因数の和:21146

約数の個数: 16

約数和(自身を含む): 120306144

約数和(自身を除く): 28585489

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 21061, 105305, 273793, 1368965, 1411087, 7055435, 18344131, 91720655]

約数ペア:

[(1, 91720655), (5, 18344131), (13, 7055435), (65, 1411087), (67, 1368965), (335, 273793), (871, 105305), (4355, 21061)]