987996978

素因数分解:

$2^1\times 3^2\times {\mathrm{3719}}^1\times {\mathrm{14759}}^1$

素因数の和:18486

約数の個数: 24

約数和(自身を含む): 2141380800

約数和(自身を除く): 1153383822

約数列:

[1, 2, 3, 6, 9, 18, 3719, 7438, 11157, 14759, 22314, 29518, 33471, 44277, 66942, 88554, 132831, 265662, 54888721, 109777442, 164666163, 329332326, 493998489, 987996978]

約数ペア:

[(1, 987996978), (2, 493998489), (3, 329332326), (6, 164666163), (9, 109777442), (18, 54888721), (3719, 265662), (7438, 132831), (11157, 88554), (14759, 66942), (22314, 44277), (29518, 33471)]