209314612

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{309637}}^1$

素因数の和:309667

約数の個数: 18

約数和(自身を含む): 396646278

約数和(自身を除く): 187331666

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 309637, 619274, 1238548, 4025281, 8050562, 16101124, 52328653, 104657306, 209314612]

約数ペア:

[(1, 209314612), (2, 104657306), (4, 52328653), (13, 16101124), (26, 8050562), (52, 4025281), (169, 1238548), (338, 619274), (676, 309637)]