257359421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{1051}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 284948928

約数和(自身を除く): 27589507

約数列:

[1, 11, 113, 197, 1051, 1243, 2167, 11561, 22261, 118763, 207047, 244871, 1306393, 2277517, 23396311, 257359421]

約数ペア:

[(1, 257359421), (11, 23396311), (113, 2277517), (197, 1306393), (1051, 244871), (1243, 207047), (2167, 118763), (11561, 22261)]