399528155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{198277}}^1$

素因数の和:198326

約数の個数: 16

約数和(自身を含む): 532971264

約数和(自身を除く): 133443109

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 198277, 991385, 2577601, 6146587, 12888005, 30732935, 79905631, 399528155]

約数ペア:

[(1, 399528155), (5, 79905631), (13, 30732935), (31, 12888005), (65, 6146587), (155, 2577601), (403, 991385), (2015, 198277)]