39220013

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 45625344

約数和(自身を除く): 6405331

約数列:

[1, 7, 127, 157, 281, 889, 1099, 1967, 19939, 35687, 44117, 139573, 249809, 308819, 5602859, 39220013]

約数ペア:

[(1, 39220013), (7, 5602859), (127, 308819), (157, 249809), (281, 139573), (889, 44117), (1099, 35687), (1967, 19939)]