261273605

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{1669}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 317433600

約数和(自身を除く): 56159995

約数列:

[1, 5, 131, 239, 655, 1195, 1669, 8345, 31309, 156545, 218639, 398891, 1093195, 1994455, 52254721, 261273605]

約数ペア:

[(1, 261273605), (5, 52254721), (131, 1994455), (239, 1093195), (655, 398891), (1195, 218639), (1669, 156545), (8345, 31309)]