87581164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1990481}}^1$

素因数の和:1990496

約数の個数: 12

約数和(自身を含む): 167200488

約数和(自身を除く): 79619324

約数列:

[1, 2, 4, 11, 22, 44, 1990481, 3980962, 7961924, 21895291, 43790582, 87581164]

約数ペア:

[(1, 87581164), (2, 43790582), (4, 21895291), (11, 7961924), (22, 3980962), (44, 1990481)]