308919208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{4591}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 624879360

約数和(自身を除く): 315960152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 647, 1294, 2588, 4591, 5176, 8411, 9182, 16822, 18364, 33644, 36728, 59683, 67288, 119366, 238732, 477464, 2970377, 5940754, 11881508, 23763016, 38614901, 77229802, 154459604, 308919208]

約数ペア:

[(1, 308919208), (2, 154459604), (4, 77229802), (8, 38614901), (13, 23763016), (26, 11881508), (52, 5940754), (104, 2970377), (647, 477464), (1294, 238732), (2588, 119366), (4591, 67288), (5176, 59683), (8411, 36728), (9182, 33644), (16822, 18364)]