209757808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1008451}}^1$

素因数の和:1008472

約数の個数: 20

約数和(自身を含む): 437668168

約数和(自身を除く): 227910360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1008451, 2016902, 4033804, 8067608, 13109863, 16135216, 26219726, 52439452, 104878904, 209757808]

約数ペア:

[(1, 209757808), (2, 104878904), (4, 52439452), (8, 26219726), (13, 16135216), (16, 13109863), (26, 8067608), (52, 4033804), (104, 2016902), (208, 1008451)]