255537745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 327680640

約数和(自身を除く): 72142895

約数列:

[1, 5, 19, 79, 95, 395, 431, 1501, 2155, 6241, 7505, 8189, 31205, 34049, 40945, 118579, 170245, 592895, 646931, 2689871, 3234655, 13449355, 51107549, 255537745]

約数ペア:

[(1, 255537745), (5, 51107549), (19, 13449355), (79, 3234655), (95, 2689871), (395, 646931), (431, 592895), (1501, 170245), (2155, 118579), (6241, 40945), (7505, 34049), (8189, 31205)]