81236808

素因数分解:

$2^3\times 3^2\times {\mathrm{1128289}}^1$

素因数の和:1128301

約数の個数: 24

約数和(自身を含む): 220016550

約数和(自身を除く): 138779742

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128289, 2256578, 3384867, 4513156, 6769734, 9026312, 10154601, 13539468, 20309202, 27078936, 40618404, 81236808]

約数ペア:

[(1, 81236808), (2, 40618404), (3, 27078936), (4, 20309202), (6, 13539468), (8, 10154601), (9, 9026312), (12, 6769734), (18, 4513156), (24, 3384867), (36, 2256578), (72, 1128289)]