209070550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{321647}}^1$

素因数の和:321672

約数の個数: 24

約数和(自身を含む): 418785696

約数和(自身を除く): 209715146

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 321647, 643294, 1608235, 3216470, 4181411, 8041175, 8362822, 16082350, 20907055, 41814110, 104535275, 209070550]

約数ペア:

[(1, 209070550), (2, 104535275), (5, 41814110), (10, 20907055), (13, 16082350), (25, 8362822), (26, 8041175), (50, 4181411), (65, 3216470), (130, 1608235), (325, 643294), (650, 321647)]