664702984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{37957}}^1$

素因数の和:38173

約数の個数: 32

約数和(自身を含む): 1366488000

約数和(自身を除く): 701785016

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 2189, 4378, 8756, 17512, 37957, 75914, 151828, 303656, 417527, 835054, 1670108, 3340216, 7553443, 15106886, 30213772, 60427544, 83087873, 166175746, 332351492, 664702984]

約数ペア:

[(1, 664702984), (2, 332351492), (4, 166175746), (8, 83087873), (11, 60427544), (22, 30213772), (44, 15106886), (88, 7553443), (199, 3340216), (398, 1670108), (796, 835054), (1592, 417527), (2189, 303656), (4378, 151828), (8756, 75914), (17512, 37957)]