1640280056

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{2887817}}^1$

素因数の和:2887894

約数の個数: 16

約数和(自身を含む): 3118843440

約数和(自身を除く): 1478563384

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 2887817, 5775634, 11551268, 23102536, 205035007, 410070014, 820140028, 1640280056]

約数ペア:

[(1, 1640280056), (2, 820140028), (4, 410070014), (8, 205035007), (71, 23102536), (142, 11551268), (284, 5775634), (568, 2887817)]