168983725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3821}}^1$

素因数の和:3921

約数の個数: 24

約数和(自身を含む): 220376520

約数和(自身を除く): 51392795

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 3821, 8845, 19105, 44225, 95525, 110809, 233081, 554045, 1165405, 2770225, 5827025, 6759349, 33796745, 168983725]

約数ペア:

[(1, 168983725), (5, 33796745), (25, 6759349), (29, 5827025), (61, 2770225), (145, 1165405), (305, 554045), (725, 233081), (1525, 110809), (1769, 95525), (3821, 44225), (8845, 19105)]