31157230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239671}}^1$

素因数の和:239691

約数の個数: 16

約数和(自身を含む): 60397344

約数和(自身を除く): 29240114

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239671, 479342, 1198355, 2396710, 3115723, 6231446, 15578615, 31157230]

約数ペア:

[(1, 31157230), (2, 15578615), (5, 6231446), (10, 3115723), (13, 2396710), (26, 1198355), (65, 479342), (130, 239671)]