390142478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1021}}^1\times {\mathrm{1579}}^1$

素因数の和:2624

約数の個数: 24

約数和(自身を含む): 644289240

約数和(自身を除く): 254146762

約数列:

[1, 2, 11, 22, 121, 242, 1021, 1579, 2042, 3158, 11231, 17369, 22462, 34738, 123541, 191059, 247082, 382118, 1612159, 3224318, 17733749, 35467498, 195071239, 390142478]

約数ペア:

[(1, 390142478), (2, 195071239), (11, 35467498), (22, 17733749), (121, 3224318), (242, 1612159), (1021, 382118), (1579, 247082), (2042, 191059), (3158, 123541), (11231, 34738), (17369, 22462)]