1078025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1499904

約数和(自身を除く): 421879

約数列:

[1, 5, 13, 25, 31, 65, 107, 155, 325, 403, 535, 775, 1391, 2015, 2675, 3317, 6955, 10075, 16585, 34775, 43121, 82925, 215605, 1078025]

約数ペア:

[(1, 1078025), (5, 215605), (13, 82925), (25, 43121), (31, 34775), (65, 16585), (107, 10075), (155, 6955), (325, 3317), (403, 2675), (535, 2015), (775, 1391)]