17798885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 23732856

約数和(自身を除く): 5933971

約数列:

[1, 5, 13, 61, 65, 67, 305, 335, 793, 871, 3965, 4087, 4355, 4489, 20435, 22445, 53131, 58357, 265655, 273829, 291785, 1369145, 3559777, 17798885]

約数ペア:

[(1, 17798885), (5, 3559777), (13, 1369145), (61, 291785), (65, 273829), (67, 265655), (305, 58357), (335, 53131), (793, 22445), (871, 20435), (3965, 4489), (4087, 4355)]