81439768

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{23189}}^1$

素因数の和:23634

約数の個数: 16

約数和(自身を含む): 153054000

約数和(自身を除く): 71614232

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 23189, 46378, 92756, 185512, 10179971, 20359942, 40719884, 81439768]

約数ペア:

[(1, 81439768), (2, 40719884), (4, 20359942), (8, 10179971), (439, 185512), (878, 92756), (1756, 46378), (3512, 23189)]