8155556

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{223}}^2$

素因数の和:491

約数の個数: 18

約数和(自身を含む): 14686182

約数和(自身を除く): 6530626

約数列:

[1, 2, 4, 41, 82, 164, 223, 446, 892, 9143, 18286, 36572, 49729, 99458, 198916, 2038889, 4077778, 8155556]

約数ペア:

[(1, 8155556), (2, 4077778), (4, 2038889), (41, 198916), (82, 99458), (164, 49729), (223, 36572), (446, 18286), (892, 9143)]