81518456

素因数分解:

$2^3\times {\mathrm{1361}}^1\times {\mathrm{7487}}^1$

素因数の和:8854

約数の個数: 16

約数和(自身を含む): 152979840

約数和(自身を除く): 71461384

約数列:

[1, 2, 4, 8, 1361, 2722, 5444, 7487, 10888, 14974, 29948, 59896, 10189807, 20379614, 40759228, 81518456]

約数ペア:

[(1, 81518456), (2, 40759228), (4, 20379614), (8, 10189807), (1361, 59896), (2722, 29948), (5444, 14974), (7487, 10888)]