2802865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 3794688

約数和(自身を除く): 991823

約数列:

[1, 5, 13, 31, 65, 107, 155, 169, 403, 535, 845, 1391, 2015, 3317, 5239, 6955, 16585, 18083, 26195, 43121, 90415, 215605, 560573, 2802865]

約数ペア:

[(1, 2802865), (5, 560573), (13, 215605), (31, 90415), (65, 43121), (107, 26195), (155, 18083), (169, 16585), (403, 6955), (535, 5239), (845, 3317), (1391, 2015)]