1689328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5584

約数の個数: 20

約数和(自身を含む): 3445960

約数和(自身を除く): 1756632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5557, 11114, 22228, 44456, 88912, 105583, 211166, 422332, 844664, 1689328]

約数ペア:

[(1, 1689328), (2, 844664), (4, 422332), (8, 211166), (16, 105583), (19, 88912), (38, 44456), (76, 22228), (152, 11114), (304, 5557)]