6478550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9967}}^1$

素因数の和:9992

約数の個数: 24

約数和(自身を含む): 12978336

約数和(自身を除く): 6499786

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 9967, 19934, 49835, 99670, 129571, 249175, 259142, 498350, 647855, 1295710, 3239275, 6478550]

約数ペア:

[(1, 6478550), (2, 3239275), (5, 1295710), (10, 647855), (13, 498350), (25, 259142), (26, 249175), (50, 129571), (65, 99670), (130, 49835), (325, 19934), (650, 9967)]