31156710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79889}}^1$

素因数の和:79912

約数の個数: 32

約数和(自身を含む): 80529120

約数和(自身を除く): 49372410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79889, 159778, 239667, 399445, 479334, 798890, 1038557, 1198335, 2077114, 2396670, 3115671, 5192785, 6231342, 10385570, 15578355, 31156710]

約数ペア:

[(1, 31156710), (2, 15578355), (3, 10385570), (5, 6231342), (6, 5192785), (10, 3115671), (13, 2396670), (15, 2077114), (26, 1198335), (30, 1038557), (39, 798890), (65, 479334), (78, 399445), (130, 239667), (195, 159778), (390, 79889)]