40821578

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28309}}^1$

素因数の和:28421

約数の個数: 16

約数和(自身を含む): 70661760

約数和(自身を除く): 29840182

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 28309, 56618, 198163, 396326, 2915827, 5831654, 20410789, 40821578]

約数ペア:

[(1, 40821578), (2, 20410789), (7, 5831654), (14, 2915827), (103, 396326), (206, 198163), (721, 56618), (1442, 28309)]