128764638

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{230761}}^1$

素因数の和:230800

約数の個数: 24

約数和(自身を含む): 287990976

約数和(自身を除く): 159226338

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 230761, 461522, 692283, 1384566, 2076849, 4153698, 7153591, 14307182, 21460773, 42921546, 64382319, 128764638]

約数ペア:

[(1, 128764638), (2, 64382319), (3, 42921546), (6, 21460773), (9, 14307182), (18, 7153591), (31, 4153698), (62, 2076849), (93, 1384566), (186, 692283), (279, 461522), (558, 230761)]