64640264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{621541}}^1$

素因数の和:621560

約数の個数: 16

約数和(自身を含む): 130523820

約数和(自身を除く): 65883556

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 621541, 1243082, 2486164, 4972328, 8080033, 16160066, 32320132, 64640264]

約数ペア:

[(1, 64640264), (2, 32320132), (4, 16160066), (8, 8080033), (13, 4972328), (26, 2486164), (52, 1243082), (104, 621541)]