81292475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{607}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 110373888

約数和(自身を除く): 29081413

約数列:

[1, 5, 11, 25, 55, 275, 487, 607, 2435, 3035, 5357, 6677, 12175, 15175, 26785, 33385, 133925, 166925, 295609, 1478045, 3251699, 7390225, 16258495, 81292475]

約数ペア:

[(1, 81292475), (5, 16258495), (11, 7390225), (25, 3251699), (55, 1478045), (275, 295609), (487, 166925), (607, 133925), (2435, 33385), (3035, 26785), (5357, 15175), (6677, 12175)]