25408628

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12781}}^1$

素因数の和:12863

約数の個数: 24

約数和(自身を含む): 51537024

約数和(自身を除く): 26128396

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 12781, 25562, 51124, 89467, 178934, 357868, 907451, 1814902, 3629804, 6352157, 12704314, 25408628]

約数ペア:

[(1, 25408628), (2, 12704314), (4, 6352157), (7, 3629804), (14, 1814902), (28, 907451), (71, 357868), (142, 178934), (284, 89467), (497, 51124), (994, 25562), (1988, 12781)]