257457805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{10243}}^1$

素因数の和:10716

約数の個数: 16

約数和(自身を含む): 337806144

約数和(自身を除く): 80348339

約数列:

[1, 5, 11, 55, 457, 2285, 5027, 10243, 25135, 51215, 112673, 563365, 4681051, 23405255, 51491561, 257457805]

約数ペア:

[(1, 257457805), (5, 51491561), (11, 23405255), (55, 4681051), (457, 563365), (2285, 112673), (5027, 51215), (10243, 25135)]