64778870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4657}}^1$

素因数の和:4784

約数の個数: 32

約数和(自身を含む): 126772128

約数和(自身を除く): 61993258

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 4657, 6955, 9314, 13910, 23285, 46570, 60541, 121082, 302705, 498299, 605410, 996598, 2491495, 4982990, 6477887, 12955774, 32389435, 64778870]

約数ペア:

[(1, 64778870), (2, 32389435), (5, 12955774), (10, 6477887), (13, 4982990), (26, 2491495), (65, 996598), (107, 605410), (130, 498299), (214, 302705), (535, 121082), (1070, 60541), (1391, 46570), (2782, 23285), (4657, 13910), (6955, 9314)]