128565905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 168033528

約数和(自身を除く): 39467623

約数列:

[1, 5, 13, 65, 169, 233, 653, 845, 1165, 3029, 3265, 8489, 15145, 39377, 42445, 110357, 152149, 196885, 551785, 760745, 1977937, 9889685, 25713181, 128565905]

約数ペア:

[(1, 128565905), (5, 25713181), (13, 9889685), (65, 1977937), (169, 760745), (233, 551785), (653, 196885), (845, 152149), (1165, 110357), (3029, 42445), (3265, 39377), (8489, 15145)]