40804274

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28297}}^1$

素因数の和:28409

約数の個数: 16

約数和(自身を含む): 70631808

約数和(自身を除く): 29827534

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 28297, 56594, 198079, 396158, 2914591, 5829182, 20402137, 40804274]

約数ペア:

[(1, 40804274), (2, 20402137), (7, 5829182), (14, 2914591), (103, 396158), (206, 198079), (721, 56594), (1442, 28297)]