257996396

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{40591}}^1$

素因数の和:40829

約数の個数: 24

約数和(自身を含む): 518278656

約数和(自身を除く): 260282260

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 6356, 40591, 81182, 162364, 284137, 568274, 1136548, 9214157, 18428314, 36856628, 64499099, 128998198, 257996396]

約数ペア:

[(1, 257996396), (2, 128998198), (4, 64499099), (7, 36856628), (14, 18428314), (28, 9214157), (227, 1136548), (454, 568274), (908, 284137), (1589, 162364), (3178, 81182), (6356, 40591)]