12047815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10903}}^1$

素因数の和:10938

約数の個数: 16

約数和(自身を含む): 16486848

約数和(自身を除く): 4439033

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 10903, 54515, 141739, 185351, 708695, 926755, 2409563, 12047815]

約数ペア:

[(1, 12047815), (5, 2409563), (13, 926755), (17, 708695), (65, 185351), (85, 141739), (221, 54515), (1105, 10903)]