12855395

素因数分解:

$5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 18123264

約数和(自身を除く): 5267869

約数列:

[1, 5, 7, 35, 49, 137, 245, 383, 685, 959, 1915, 2681, 4795, 6713, 13405, 18767, 33565, 52471, 93835, 262355, 367297, 1836485, 2571079, 12855395]

約数ペア:

[(1, 12855395), (5, 2571079), (7, 1836485), (35, 367297), (49, 262355), (137, 93835), (245, 52471), (383, 33565), (685, 18767), (959, 13405), (1915, 6713), (2681, 4795)]