865236497

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 943477920

約数和(自身を除く): 78241423

約数列:

[1, 19, 43, 139, 361, 401, 817, 2641, 5977, 7619, 15523, 17243, 50179, 55739, 113563, 144761, 327617, 1059041, 2157697, 2396777, 6224723, 20121779, 45538763, 865236497]

約数ペア:

[(1, 865236497), (19, 45538763), (43, 20121779), (139, 6224723), (361, 2396777), (401, 2157697), (817, 1059041), (2641, 327617), (5977, 144761), (7619, 113563), (15523, 55739), (17243, 50179)]