2648425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 3671640

約数和(自身を除く): 1023215

約数列:

[1, 5, 13, 25, 29, 65, 145, 281, 325, 377, 725, 1405, 1885, 3653, 7025, 8149, 9425, 18265, 40745, 91325, 105937, 203725, 529685, 2648425]

約数ペア:

[(1, 2648425), (5, 529685), (13, 203725), (25, 105937), (29, 91325), (65, 40745), (145, 18265), (281, 9425), (325, 8149), (377, 7025), (725, 3653), (1405, 1885)]