87438868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987247}}^1$

素因数の和:1987262

約数の個数: 12

約数和(自身を含む): 166928832

約数和(自身を除く): 79489964

約数列:

[1, 2, 4, 11, 22, 44, 1987247, 3974494, 7948988, 21859717, 43719434, 87438868]

約数ペア:

[(1, 87438868), (2, 43719434), (4, 21859717), (11, 7948988), (22, 3974494), (44, 1987247)]