2021822725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{214517}}^1$

素因数の和:214569

約数の個数: 24

約数和(自身を含む): 2793024360

約数和(自身を除く): 771201635

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 214517, 1072585, 2788721, 5362925, 6220993, 13943605, 31104965, 69718025, 80872909, 155524825, 404364545, 2021822725]

約数ペア:

[(1, 2021822725), (5, 404364545), (13, 155524825), (25, 80872909), (29, 69718025), (65, 31104965), (145, 13943605), (325, 6220993), (377, 5362925), (725, 2788721), (1885, 1072585), (9425, 214517)]