81264368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267317}}^1$

素因数の和:267344

約数の個数: 20

約数和(自身を含む): 165737160

約数和(自身を除く): 84472792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267317, 534634, 1069268, 2138536, 4277072, 5079023, 10158046, 20316092, 40632184, 81264368]

約数ペア:

[(1, 81264368), (2, 40632184), (4, 20316092), (8, 10158046), (16, 5079023), (19, 4277072), (38, 2138536), (76, 1069268), (152, 534634), (304, 267317)]