256493330

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{72661}}^1$

素因数の和:73021

約数の個数: 16

約数和(自身を含む): 463002264

約数和(自身を除く): 206508934

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 72661, 145322, 363305, 726610, 25649333, 51298666, 128246665, 256493330]

約数ペア:

[(1, 256493330), (2, 128246665), (5, 51298666), (10, 25649333), (353, 726610), (706, 363305), (1765, 145322), (3530, 72661)]