12999475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 17342640

約数和(自身を除く): 4343165

約数列:

[1, 5, 17, 25, 73, 85, 365, 419, 425, 1241, 1825, 2095, 6205, 7123, 10475, 30587, 31025, 35615, 152935, 178075, 519979, 764675, 2599895, 12999475]

約数ペア:

[(1, 12999475), (5, 2599895), (17, 764675), (25, 519979), (73, 178075), (85, 152935), (365, 35615), (419, 31025), (425, 30587), (1241, 10475), (1825, 7123), (2095, 6205)]