661076272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2174593}}^1$

素因数の和:2174620

約数の個数: 20

約数和(自身を含む): 1348248280

約数和(自身を除く): 687172008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2174593, 4349186, 8698372, 17396744, 34793488, 41317267, 82634534, 165269068, 330538136, 661076272]

約数ペア:

[(1, 661076272), (2, 330538136), (4, 165269068), (8, 82634534), (16, 41317267), (19, 34793488), (38, 17396744), (76, 8698372), (152, 4349186), (304, 2174593)]