257831265629

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{7243}}^1\times {\mathrm{299137}}^1$

素因数の和:306404

約数の個数: 16

約数和(自身を含む): 312041616768

約数和(自身を除く): 54210351139

約数列:

[1, 7, 17, 119, 7243, 50701, 123131, 299137, 861917, 2093959, 5085329, 35597303, 2166649291, 15166545037, 36833037947, 257831265629]

約数ペア:

[(1, 257831265629), (7, 36833037947), (17, 15166545037), (119, 2166649291), (7243, 35597303), (50701, 5085329), (123131, 2093959), (299137, 861917)]