12881155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21649}}^1$

素因数の和:21678

約数の個数: 16

約数和(自身を含む): 18705600

約数和(自身を除く): 5824445

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21649, 108245, 151543, 368033, 757715, 1840165, 2576231, 12881155]

約数ペア:

[(1, 12881155), (5, 2576231), (7, 1840165), (17, 757715), (35, 368033), (85, 151543), (119, 108245), (595, 21649)]