201442475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1993}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 270003552

約数和(自身を除く): 68561077

約数列:

[1, 5, 13, 25, 65, 311, 325, 1555, 1993, 4043, 7775, 9965, 20215, 25909, 49825, 101075, 129545, 619823, 647725, 3099115, 8057699, 15495575, 40288495, 201442475]

約数ペア:

[(1, 201442475), (5, 40288495), (13, 15495575), (25, 8057699), (65, 3099115), (311, 647725), (325, 619823), (1555, 129545), (1993, 101075), (4043, 49825), (7775, 25909), (9965, 20215)]