81318386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{1993}}^1$

素因数の和:2905

約数の個数: 16

約数和(自身を含む): 127488384

約数和(自身を除く): 46169998

約数列:

[1, 2, 23, 46, 887, 1774, 1993, 3986, 20401, 40802, 45839, 91678, 1767791, 3535582, 40659193, 81318386]

約数ペア:

[(1, 81318386), (2, 40659193), (23, 3535582), (46, 1767791), (887, 91678), (1774, 45839), (1993, 40802), (3986, 20401)]