87121012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1980023}}^1$

素因数の和:1980038

約数の個数: 12

約数和(自身を含む): 166322016

約数和(自身を除く): 79201004

約数列:

[1, 2, 4, 11, 22, 44, 1980023, 3960046, 7920092, 21780253, 43560506, 87121012]

約数ペア:

[(1, 87121012), (2, 43560506), (4, 21780253), (11, 7920092), (22, 3960046), (44, 1980023)]