31890326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{20789}}^1$

素因数の和:20863

約数の個数: 16

約数和(自身を含む): 52390800

約数和(自身を除く): 20500474

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 20789, 41578, 270257, 540514, 1226551, 2453102, 15945163, 31890326]

約数ペア:

[(1, 31890326), (2, 15945163), (13, 2453102), (26, 1226551), (59, 540514), (118, 270257), (767, 41578), (1534, 20789)]