31531409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2207}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 39072768

約数和(自身を除く): 7541359

約数列:

[1, 7, 13, 91, 157, 1099, 2041, 2207, 14287, 15449, 28691, 200837, 346499, 2425493, 4504487, 31531409]

約数ペア:

[(1, 31531409), (7, 4504487), (13, 2425493), (91, 346499), (157, 200837), (1099, 28691), (2041, 15449), (2207, 14287)]