64661104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212701}}^1$

素因数の和:212728

約数の個数: 20

約数和(自身を含む): 131875240

約数和(自身を除く): 67214136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212701, 425402, 850804, 1701608, 3403216, 4041319, 8082638, 16165276, 32330552, 64661104]

約数ペア:

[(1, 64661104), (2, 32330552), (4, 16165276), (8, 8082638), (16, 4041319), (19, 3403216), (38, 1701608), (76, 850804), (152, 425402), (304, 212701)]