13991455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 17363808

約数和(自身を除く): 3372353

約数列:

[1, 5, 41, 131, 205, 521, 655, 2605, 5371, 21361, 26855, 68251, 106805, 341255, 2798291, 13991455]

約数ペア:

[(1, 13991455), (5, 2798291), (41, 341255), (131, 106805), (205, 68251), (521, 26855), (655, 21361), (2605, 5371)]