261700615

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{1409}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 346555440

約数和(自身を除く): 84854825

約数列:

[1, 5, 11, 55, 121, 307, 605, 1409, 1535, 3377, 7045, 15499, 16885, 37147, 77495, 170489, 185735, 432563, 852445, 2162815, 4758193, 23790965, 52340123, 261700615]

約数ペア:

[(1, 261700615), (5, 52340123), (11, 23790965), (55, 4758193), (121, 2162815), (307, 852445), (605, 432563), (1409, 185735), (1535, 170489), (3377, 77495), (7045, 37147), (15499, 16885)]