154990225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12889}}^1$

素因数の和:12949

約数の個数: 24

約数和(自身を含む): 212581880

約数和(自身を除く): 57591655

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 12889, 64445, 167557, 322225, 476893, 837785, 2384465, 4188925, 6199609, 11922325, 30998045, 154990225]

約数ペア:

[(1, 154990225), (5, 30998045), (13, 11922325), (25, 6199609), (37, 4188925), (65, 2384465), (185, 837785), (325, 476893), (481, 322225), (925, 167557), (2405, 64445), (12025, 12889)]