205707944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1977961}}^1$

素因数の和:1977980

約数の個数: 16

約数和(自身を含む): 415372020

約数和(自身を除く): 209664076

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1977961, 3955922, 7911844, 15823688, 25713493, 51426986, 102853972, 205707944]

約数ペア:

[(1, 205707944), (2, 102853972), (4, 51426986), (8, 25713493), (13, 15823688), (26, 7911844), (52, 3955922), (104, 1977961)]