209489774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{6451}}^1$

素因数の和:7715

約数の個数: 16

約数和(自身を含む): 338730000

約数和(自身を除く): 129240226

約数列:

[1, 2, 13, 26, 1249, 2498, 6451, 12902, 16237, 32474, 83863, 167726, 8057299, 16114598, 104744887, 209489774]

約数ペア:

[(1, 209489774), (2, 104744887), (13, 16114598), (26, 8057299), (1249, 167726), (2498, 83863), (6451, 32474), (12902, 16237)]