9923875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 13837824

約数和(自身を除く): 3913949

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 197, 325, 403, 775, 985, 1625, 2015, 2561, 3875, 4925, 6107, 10075, 12805, 24625, 30535, 50375, 64025, 79391, 152675, 320125, 396955, 763375, 1984775, 9923875]

約数ペア:

[(1, 9923875), (5, 1984775), (13, 763375), (25, 396955), (31, 320125), (65, 152675), (125, 79391), (155, 64025), (197, 50375), (325, 30535), (403, 24625), (775, 12805), (985, 10075), (1625, 6107), (2015, 4925), (2561, 3875)]