81215230

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{63949}}^1$

素因数の和:64083

約数の個数: 16

約数和(自身を含む): 147340800

約数和(自身を除く): 66125570

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 63949, 127898, 319745, 639490, 8121523, 16243046, 40607615, 81215230]

約数ペア:

[(1, 81215230), (2, 40607615), (5, 16243046), (10, 8121523), (127, 639490), (254, 319745), (635, 127898), (1270, 63949)]