28605785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 37661400

約数和(自身を除く): 9055615

約数列:

[1, 5, 13, 65, 97, 169, 349, 485, 845, 1261, 1745, 4537, 6305, 16393, 22685, 33853, 58981, 81965, 169265, 294905, 440089, 2200445, 5721157, 28605785]

約数ペア:

[(1, 28605785), (5, 5721157), (13, 2200445), (65, 440089), (97, 294905), (169, 169265), (349, 81965), (485, 58981), (845, 33853), (1261, 22685), (1745, 16393), (4537, 6305)]