25105288

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 52704000

約数和(自身を除く): 27598712

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 599, 676, 806, 1198, 1352, 1612, 2396, 3224, 4792, 5239, 7787, 10478, 15574, 18569, 20956, 31148, 37138, 41912, 62296, 74276, 101231, 148552, 202462, 241397, 404924, 482794, 809848, 965588, 1931176, 3138161, 6276322, 12552644, 25105288]

約数ペア:

[(1, 25105288), (2, 12552644), (4, 6276322), (8, 3138161), (13, 1931176), (26, 965588), (31, 809848), (52, 482794), (62, 404924), (104, 241397), (124, 202462), (169, 148552), (248, 101231), (338, 74276), (403, 62296), (599, 41912), (676, 37138), (806, 31148), (1198, 20956), (1352, 18569), (1612, 15574), (2396, 10478), (3224, 7787), (4792, 5239)]