256164174

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{677683}}^1$

素因数の和:677701

約数の個数: 32

約数和(自身を含む): 650576640

約数和(自身を除く): 394412466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 677683, 1355366, 2033049, 4066098, 4743781, 6099147, 9487562, 12198294, 14231343, 18297441, 28462686, 36594882, 42694029, 85388058, 128082087, 256164174]

約数ペア:

[(1, 256164174), (2, 128082087), (3, 85388058), (6, 42694029), (7, 36594882), (9, 28462686), (14, 18297441), (18, 14231343), (21, 12198294), (27, 9487562), (42, 6099147), (54, 4743781), (63, 4066098), (126, 2033049), (189, 1355366), (378, 677683)]