208768324

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{127609}}^1$

素因数の和:128022

約数の個数: 12

約数和(自身を含む): 366240700

約数和(自身を除く): 157472376

約数列:

[1, 2, 4, 409, 818, 1636, 127609, 255218, 510436, 52192081, 104384162, 208768324]

約数ペア:

[(1, 208768324), (2, 104384162), (4, 52192081), (409, 510436), (818, 255218), (1636, 127609)]