256721101267

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1\times {\mathrm{274583}}^1$

素因数の和:275922

約数の個数: 16

約数和(自身を含む): 278362275840

約数和(自身を除く): 21641174573

約数列:

[1, 17, 43, 731, 1279, 21743, 54997, 274583, 934949, 4667911, 11807069, 200720173, 351191657, 5970258169, 15101241251, 256721101267]

約数ペア:

[(1, 256721101267), (17, 15101241251), (43, 5970258169), (731, 351191657), (1279, 200720173), (21743, 11807069), (54997, 4667911), (274583, 934949)]