81976675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{971}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 111367872

約数和(自身を除く): 29391197

約数列:

[1, 5, 11, 25, 55, 275, 307, 971, 1535, 3377, 4855, 7675, 10681, 16885, 24275, 53405, 84425, 267025, 298097, 1490485, 3279067, 7452425, 16395335, 81976675]

約数ペア:

[(1, 81976675), (5, 16395335), (11, 7452425), (25, 3279067), (55, 1490485), (275, 298097), (307, 267025), (971, 84425), (1535, 53405), (3377, 24275), (4855, 16885), (7675, 10681)]