28356876

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1871}}^1$

素因数の和:2302

約数の個数: 36

約数和(自身を含む): 71888544

約数和(自身を除く): 43531668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 1871, 2526, 3742, 3789, 5052, 5613, 7484, 7578, 11226, 15156, 16839, 22452, 33678, 67356, 787691, 1575382, 2363073, 3150764, 4726146, 7089219, 9452292, 14178438, 28356876]

約数ペア:

[(1, 28356876), (2, 14178438), (3, 9452292), (4, 7089219), (6, 4726146), (9, 3150764), (12, 2363073), (18, 1575382), (36, 787691), (421, 67356), (842, 33678), (1263, 22452), (1684, 16839), (1871, 15156), (2526, 11226), (3742, 7578), (3789, 7484), (5052, 5613)]