39995858

素因数分解:

$2^1\times 7^4\times {\mathrm{8329}}^1$

素因数の和:8359

約数の個数: 20

約数和(自身を含む): 69996990

約数和(自身を除く): 30001132

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 8329, 16658, 58303, 116606, 408121, 816242, 2856847, 5713694, 19997929, 39995858]

約数ペア:

[(1, 39995858), (2, 19997929), (7, 5713694), (14, 2856847), (49, 816242), (98, 408121), (343, 116606), (686, 58303), (2401, 16658), (4802, 8329)]