87481724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1988221}}^1$

素因数の和:1988236

約数の個数: 12

約数和(自身を含む): 167010648

約数和(自身を除く): 79528924

約数列:

[1, 2, 4, 11, 22, 44, 1988221, 3976442, 7952884, 21870431, 43740862, 87481724]

約数ペア:

[(1, 87481724), (2, 43740862), (4, 21870431), (11, 7952884), (22, 3976442), (44, 1988221)]