205957544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1980361}}^1$

素因数の和:1980380

約数の個数: 16

約数和(自身を含む): 415876020

約数和(自身を除く): 209918476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1980361, 3960722, 7921444, 15842888, 25744693, 51489386, 102978772, 205957544]

約数ペア:

[(1, 205957544), (2, 102978772), (4, 51489386), (8, 25744693), (13, 15842888), (26, 7921444), (52, 3960722), (104, 1980361)]