12684815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 18156096

約数和(自身を除く): 5471281

約数列:

[1, 5, 11, 13, 55, 65, 113, 143, 157, 565, 715, 785, 1243, 1469, 1727, 2041, 6215, 7345, 8635, 10205, 16159, 17741, 22451, 80795, 88705, 112255, 195151, 230633, 975755, 1153165, 2536963, 12684815]

約数ペア:

[(1, 12684815), (5, 2536963), (11, 1153165), (13, 975755), (55, 230633), (65, 195151), (113, 112255), (143, 88705), (157, 80795), (565, 22451), (715, 17741), (785, 16159), (1243, 10205), (1469, 8635), (1727, 7345), (2041, 6215)]