51583025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 71820180

約数和(自身を除く): 20237155

約数列:

[1, 5, 13, 25, 29, 65, 145, 169, 325, 377, 421, 725, 845, 1885, 2105, 4225, 4901, 5473, 9425, 10525, 12209, 24505, 27365, 61045, 71149, 122525, 136825, 158717, 305225, 355745, 793585, 1778725, 2063321, 3967925, 10316605, 51583025]

約数ペア:

[(1, 51583025), (5, 10316605), (13, 3967925), (25, 2063321), (29, 1778725), (65, 793585), (145, 355745), (169, 305225), (325, 158717), (377, 136825), (421, 122525), (725, 71149), (845, 61045), (1885, 27365), (2105, 24505), (4225, 12209), (4901, 10525), (5473, 9425)]