39782078

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20443}}^1$

素因数の和:20591

約数の個数: 16

約数和(自身を含む): 68691840

約数和(自身を除く): 28909762

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20443, 40886, 143101, 286202, 2841577, 5683154, 19891039, 39782078]

約数ペア:

[(1, 39782078), (2, 19891039), (7, 5683154), (14, 2841577), (139, 286202), (278, 143101), (973, 40886), (1946, 20443)]