257040982009

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1\times {\mathrm{300593}}^1$

素因数の和:301560

約数の個数: 16

約数和(自身を含む): 296073066240

約数和(自身を除く): 39032084231

約数列:

[1, 7, 151, 809, 1057, 5663, 122159, 300593, 855113, 2104151, 45389543, 243179737, 317726801, 1702258159, 36720140287, 257040982009]

約数ペア:

[(1, 257040982009), (7, 36720140287), (151, 1702258159), (809, 317726801), (1057, 243179737), (5663, 45389543), (122159, 2104151), (300593, 855113)]