261744145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{9343}}^1$

素因数の和:9792

約数の個数: 16

約数和(自身を含む): 339075072

約数和(自身を除く): 77330927

約数列:

[1, 5, 13, 65, 431, 2155, 5603, 9343, 28015, 46715, 121459, 607295, 4026833, 20134165, 52348829, 261744145]

約数ペア:

[(1, 261744145), (5, 52348829), (13, 20134165), (65, 4026833), (431, 607295), (2155, 121459), (5603, 46715), (9343, 28015)]