81236664

素因数分解:

$2^3\times 3^2\times {\mathrm{1128287}}^1$

素因数の和:1128299

約数の個数: 24

約数和(自身を含む): 220016160

約数和(自身を除く): 138779496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128287, 2256574, 3384861, 4513148, 6769722, 9026296, 10154583, 13539444, 20309166, 27078888, 40618332, 81236664]

約数ペア:

[(1, 81236664), (2, 40618332), (3, 27078888), (4, 20309166), (6, 13539444), (8, 10154583), (9, 9026296), (12, 6769722), (18, 4513148), (24, 3384861), (36, 2256574), (72, 1128287)]