79663025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7907}}^1$

素因数の和:7961

約数の個数: 24

約数和(自身を含む): 109826304

約数和(自身を除く): 30163279

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 7907, 10075, 39535, 102791, 197675, 245117, 513955, 1225585, 2569775, 3186521, 6127925, 15932605, 79663025]

約数ペア:

[(1, 79663025), (5, 15932605), (13, 6127925), (25, 3186521), (31, 2569775), (65, 1225585), (155, 513955), (325, 245117), (403, 197675), (775, 102791), (2015, 39535), (7907, 10075)]