12281905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 15738624

約数和(自身を除く): 3456719

約数列:

[1, 5, 17, 85, 131, 655, 1103, 2227, 5515, 11135, 18751, 93755, 144493, 722465, 2456381, 12281905]

約数ペア:

[(1, 12281905), (5, 2456381), (17, 722465), (85, 144493), (131, 93755), (655, 18751), (1103, 11135), (2227, 5515)]