1639347871

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 1939140000

約数和(自身を除く): 299792129

約数列:

[1, 7, 49, 89, 199, 623, 1393, 1889, 4361, 9751, 13223, 17711, 92561, 123977, 168121, 375911, 867839, 1176847, 2631377, 8237929, 18419639, 33456079, 234192553, 1639347871]

約数ペア:

[(1, 1639347871), (7, 234192553), (49, 33456079), (89, 18419639), (199, 8237929), (623, 2631377), (1393, 1176847), (1889, 867839), (4361, 375911), (9751, 168121), (13223, 123977), (17711, 92561)]