129740455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8131

約数の個数: 24

約数和(自身を含む): 177480720

約数和(自身を除く): 47740265

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 3211, 8081, 16055, 40405, 105053, 153539, 525265, 767695, 1365689, 1996007, 6828445, 9980035, 25948091, 129740455]

約数ペア:

[(1, 129740455), (5, 25948091), (13, 9980035), (19, 6828445), (65, 1996007), (95, 1365689), (169, 767695), (247, 525265), (845, 153539), (1235, 105053), (3211, 40405), (8081, 16055)]