78877825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8369}}^1$

素因数の和:8421

約数の個数: 24

約数和(自身を含む): 108977400

約数和(自身を除く): 30099575

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 8369, 9425, 41845, 108797, 209225, 242701, 543985, 1213505, 2719925, 3155113, 6067525, 15775565, 78877825]

約数ペア:

[(1, 78877825), (5, 15775565), (13, 6067525), (25, 3155113), (29, 2719925), (65, 1213505), (145, 543985), (325, 242701), (377, 209225), (725, 108797), (1885, 41845), (8369, 9425)]