25517828

素因数分解:

$2^2\times 7^4\times {\mathrm{2657}}^1$

素因数の和:2689

約数の個数: 30

約数和(自身を含む): 52115406

約数和(自身を除く): 26597578

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 2657, 4802, 5314, 9604, 10628, 18599, 37198, 74396, 130193, 260386, 520772, 911351, 1822702, 3645404, 6379457, 12758914, 25517828]

約数ペア:

[(1, 25517828), (2, 12758914), (4, 6379457), (7, 3645404), (14, 1822702), (28, 911351), (49, 520772), (98, 260386), (196, 130193), (343, 74396), (686, 37198), (1372, 18599), (2401, 10628), (2657, 9604), (4802, 5314)]