40400038

素因数分解:

$2^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{5783}}^1$

素因数の和:6291

約数の個数: 16

約数和(自身を含む): 69408000

約数和(自身を除く): 29007962

約数列:

[1, 2, 7, 14, 499, 998, 3493, 5783, 6986, 11566, 40481, 80962, 2885717, 5771434, 20200019, 40400038]

約数ペア:

[(1, 40400038), (2, 20200019), (7, 5771434), (14, 2885717), (499, 80962), (998, 40481), (3493, 11566), (5783, 6986)]