1291269155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23477621}}^1$

素因数の和:23477637

約数の個数: 8

約数和(自身を含む): 1690388784

約数和(自身を除く): 399119629

約数列:

[1, 5, 11, 55, 23477621, 117388105, 258253831, 1291269155]

約数ペア:

[(1, 1291269155), (5, 258253831), (11, 117388105), (55, 23477621)]