15700216

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 33770880

約数和(自身を除く): 18070664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 571, 982, 1142, 1964, 2284, 3437, 3928, 3997, 4568, 6874, 7994, 13748, 15988, 27496, 31976, 280361, 560722, 1121444, 1962527, 2242888, 3925054, 7850108, 15700216]

約数ペア:

[(1, 15700216), (2, 7850108), (4, 3925054), (7, 2242888), (8, 1962527), (14, 1121444), (28, 560722), (56, 280361), (491, 31976), (571, 27496), (982, 15988), (1142, 13748), (1964, 7994), (2284, 6874), (3437, 4568), (3928, 3997)]