81223325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 104139912

約数和(自身を除く): 22916587

約数列:

[1, 5, 25, 37, 185, 277, 317, 925, 1385, 1585, 6925, 7925, 10249, 11729, 51245, 58645, 87809, 256225, 293225, 439045, 2195225, 3248933, 16244665, 81223325]

約数ペア:

[(1, 81223325), (5, 16244665), (25, 3248933), (37, 2195225), (185, 439045), (277, 293225), (317, 256225), (925, 87809), (1385, 58645), (1585, 51245), (6925, 11729), (7925, 10249)]