256543205

素因数分解:

$5^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 310353600

約数和(自身を除く): 53810395

約数列:

[1, 5, 331, 379, 409, 1655, 1895, 2045, 125449, 135379, 155011, 627245, 676895, 775055, 51308641, 256543205]

約数ペア:

[(1, 256543205), (5, 51308641), (331, 775055), (379, 676895), (409, 627245), (1655, 155011), (1895, 135379), (2045, 125449)]