28569708

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1999}}^1$

素因数の和:2406

約数の個数: 36

約数和(自身を含む): 72436000

約数和(自身を除く): 43866292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1588, 1999, 2382, 3573, 3998, 4764, 5997, 7146, 7996, 11994, 14292, 17991, 23988, 35982, 71964, 793603, 1587206, 2380809, 3174412, 4761618, 7142427, 9523236, 14284854, 28569708]

約数ペア:

[(1, 28569708), (2, 14284854), (3, 9523236), (4, 7142427), (6, 4761618), (9, 3174412), (12, 2380809), (18, 1587206), (36, 793603), (397, 71964), (794, 35982), (1191, 23988), (1588, 17991), (1999, 14292), (2382, 11994), (3573, 7996), (3998, 7146), (4764, 5997)]