12161615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 15448800

約数和(自身を除く): 3287185

約数列:

[1, 5, 19, 95, 313, 409, 1565, 2045, 5947, 7771, 29735, 38855, 128017, 640085, 2432323, 12161615]

約数ペア:

[(1, 12161615), (5, 2432323), (19, 640085), (95, 128017), (313, 38855), (409, 29735), (1565, 7771), (2045, 5947)]