12821425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 16623936

約数和(自身を除く): 3802511

約数列:

[1, 5, 25, 37, 83, 167, 185, 415, 835, 925, 2075, 3071, 4175, 6179, 13861, 15355, 30895, 69305, 76775, 154475, 346525, 512857, 2564285, 12821425]

約数ペア:

[(1, 12821425), (5, 2564285), (25, 512857), (37, 346525), (83, 154475), (167, 76775), (185, 69305), (415, 30895), (835, 15355), (925, 13861), (2075, 6179), (3071, 4175)]