64609870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{496999}}^1$

素因数の和:497019

約数の個数: 16

約数和(自身を含む): 125244000

約数和(自身を除く): 60634130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 496999, 993998, 2484995, 4969990, 6460987, 12921974, 32304935, 64609870]

約数ペア:

[(1, 64609870), (2, 32304935), (5, 12921974), (10, 6460987), (13, 4969990), (26, 2484995), (65, 993998), (130, 496999)]