168684890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139409}}^1$

素因数の和:139438

約数の個数: 24

約数和(自身を含む): 333747540

約数和(自身を除く): 165062650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 139409, 278818, 697045, 1394090, 1533499, 3066998, 7667495, 15334990, 16868489, 33736978, 84342445, 168684890]

約数ペア:

[(1, 168684890), (2, 84342445), (5, 33736978), (10, 16868489), (11, 15334990), (22, 7667495), (55, 3066998), (110, 1533499), (121, 1394090), (242, 697045), (605, 278818), (1210, 139409)]