64639976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 128280000

約数和(自身を除く): 63640024

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 796, 1592, 2137, 3781, 4274, 7562, 8548, 15124, 17096, 30248, 40603, 81206, 162412, 324824, 425263, 850526, 1701052, 3402104, 8079997, 16159994, 32319988, 64639976]

約数ペア:

[(1, 64639976), (2, 32319988), (4, 16159994), (8, 8079997), (19, 3402104), (38, 1701052), (76, 850526), (152, 425263), (199, 324824), (398, 162412), (796, 81206), (1592, 40603), (2137, 30248), (3781, 17096), (4274, 15124), (7562, 8548)]