645939359

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{5581}}^1$

素因数の和:5930

約数の個数: 16

約数和(自身を含む): 722087520

約数和(自身を除く): 76148161

約数列:

[1, 13, 29, 307, 377, 3991, 5581, 8903, 72553, 115739, 161849, 1713367, 2104037, 22273771, 49687643, 645939359]

約数ペア:

[(1, 645939359), (13, 49687643), (29, 22273771), (307, 2104037), (377, 1713367), (3991, 161849), (5581, 115739), (8903, 72553)]