83128825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 118214656

約数和(自身を除く): 35085831

約数列:

[1, 5, 13, 25, 31, 37, 65, 155, 185, 223, 325, 403, 481, 775, 925, 1115, 1147, 2015, 2405, 2899, 5575, 5735, 6913, 8251, 10075, 12025, 14495, 14911, 28675, 34565, 41255, 72475, 74555, 89869, 107263, 172825, 206275, 255781, 372775, 449345, 536315, 1278905, 2246725, 2681575, 3325153, 6394525, 16625765, 83128825]

約数ペア:

[(1, 83128825), (5, 16625765), (13, 6394525), (25, 3325153), (31, 2681575), (37, 2246725), (65, 1278905), (155, 536315), (185, 449345), (223, 372775), (325, 255781), (403, 206275), (481, 172825), (775, 107263), (925, 89869), (1115, 74555), (1147, 72475), (2015, 41255), (2405, 34565), (2899, 28675), (5575, 14911), (5735, 14495), (6913, 12025), (8251, 10075)]