31197257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 38704512

約数和(自身を除く): 7507255

約数列:

[1, 7, 13, 91, 131, 917, 1703, 2617, 11921, 18319, 34021, 238147, 342827, 2399789, 4456751, 31197257]

約数ペア:

[(1, 31197257), (7, 4456751), (13, 2399789), (91, 342827), (131, 238147), (917, 34021), (1703, 18319), (2617, 11921)]