621004540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2388479}}^1$

素因数の和:2388501

約数の個数: 24

約数和(自身を含む): 1404426240

約数和(自身を除く): 783421700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2388479, 4776958, 9553916, 11942395, 23884790, 31050227, 47769580, 62100454, 124200908, 155251135, 310502270, 621004540]

約数ペア:

[(1, 621004540), (2, 310502270), (4, 155251135), (5, 124200908), (10, 62100454), (13, 47769580), (20, 31050227), (26, 23884790), (52, 11942395), (65, 9553916), (130, 4776958), (260, 2388479)]