209333878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{619331}}^1$

素因数の和:619359

約数の個数: 12

約数和(自身を含む): 340013268

約数和(自身を除く): 130679390

約数列:

[1, 2, 13, 26, 169, 338, 619331, 1238662, 8051303, 16102606, 104666939, 209333878]

約数ペア:

[(1, 209333878), (2, 104666939), (13, 16102606), (26, 8051303), (169, 1238662), (338, 619331)]