53568775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 36

約数和(自身を含む): 74429760

約数和(自身を除く): 20860985

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 409, 775, 845, 2015, 2045, 4225, 5239, 5317, 10075, 10225, 12679, 26195, 26585, 63395, 69121, 130975, 132925, 164827, 316975, 345605, 824135, 1728025, 2142751, 4120675, 10713755, 53568775]

約数ペア:

[(1, 53568775), (5, 10713755), (13, 4120675), (25, 2142751), (31, 1728025), (65, 824135), (155, 345605), (169, 316975), (325, 164827), (403, 132925), (409, 130975), (775, 69121), (845, 63395), (2015, 26585), (2045, 26195), (4225, 12679), (5239, 10225), (5317, 10075)]