72145475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 93208320

約数和(自身を除く): 21062845

約数列:

[1, 5, 25, 29, 145, 191, 521, 725, 955, 2605, 4775, 5539, 13025, 15109, 27695, 75545, 99511, 138475, 377725, 497555, 2487775, 2885819, 14429095, 72145475]

約数ペア:

[(1, 72145475), (5, 14429095), (25, 2885819), (29, 2487775), (145, 497555), (191, 377725), (521, 138475), (725, 99511), (955, 75545), (2605, 27695), (4775, 15109), (5539, 13025)]