12972725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 17498880

約数和(自身を除く): 4526155

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 881, 2945, 4405, 14725, 16739, 22025, 27311, 83695, 136555, 418475, 518909, 682775, 2594545, 12972725]

約数ペア:

[(1, 12972725), (5, 2594545), (19, 682775), (25, 518909), (31, 418475), (95, 136555), (155, 83695), (475, 27311), (589, 22025), (775, 16739), (881, 14725), (2945, 4405)]