64421921

素因数分解:

${\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 67962240

約数和(自身を除く): 3540319

約数列:

[1, 37, 71, 137, 179, 2627, 5069, 6623, 9727, 12709, 24523, 359899, 470233, 907351, 1741133, 64421921]

約数ペア:

[(1, 64421921), (37, 1741133), (71, 907351), (137, 470233), (179, 359899), (2627, 24523), (5069, 12709), (6623, 9727)]