40268578

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20693}}^1$

素因数の和:20841

約数の個数: 16

約数和(自身を含む): 69531840

約数和(自身を除く): 29263262

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20693, 41386, 144851, 289702, 2876327, 5752654, 20134289, 40268578]

約数ペア:

[(1, 40268578), (2, 20134289), (7, 5752654), (14, 2876327), (139, 289702), (278, 144851), (973, 41386), (1946, 20693)]