61642255

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 81342720

約数和(自身を除く): 19700465

約数列:

[1, 5, 17, 29, 85, 145, 289, 493, 1445, 1471, 2465, 7355, 8381, 25007, 41905, 42659, 125035, 213295, 425119, 725203, 2125595, 3626015, 12328451, 61642255]

約数ペア:

[(1, 61642255), (5, 12328451), (17, 3626015), (29, 2125595), (85, 725203), (145, 425119), (289, 213295), (493, 125035), (1445, 42659), (1471, 41905), (2465, 25007), (7355, 8381)]