186985825

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{44257}}^1$

素因数の和:44293

約数の個数: 18

約数和(自身を含む): 251075634

約数和(自身を除く): 64089809

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 44257, 221285, 575341, 1106425, 2876705, 7479433, 14383525, 37397165, 186985825]

約数ペア:

[(1, 186985825), (5, 37397165), (13, 14383525), (25, 7479433), (65, 2876705), (169, 1106425), (325, 575341), (845, 221285), (4225, 44257)]