12656405

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^2$

素因数の和:165

約数の個数: 18

約数和(自身を含む): 15980706

約数和(自身を除く): 3324301

約数列:

[1, 5, 37, 43, 185, 215, 1369, 1591, 1849, 6845, 7955, 9245, 58867, 68413, 294335, 342065, 2531281, 12656405]

約数ペア:

[(1, 12656405), (5, 2531281), (37, 342065), (43, 294335), (185, 68413), (215, 58867), (1369, 9245), (1591, 7955), (1849, 6845)]