12961445

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3461}}^1$

素因数の和:3580

約数の個数: 16

約数和(自身を含む): 17947008

約数和(自身を除く): 4985563

約数列:

[1, 5, 7, 35, 107, 535, 749, 3461, 3745, 17305, 24227, 121135, 370327, 1851635, 2592289, 12961445]

約数ペア:

[(1, 12961445), (5, 2592289), (7, 1851635), (35, 370327), (107, 121135), (535, 24227), (749, 17305), (3461, 3745)]