28973910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 79916544

約数和(自身を除く): 50942634

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 281, 491, 562, 843, 982, 1405, 1473, 1686, 1967, 2455, 2810, 2946, 3437, 3934, 4215, 4910, 5901, 6874, 7365, 8430, 9835, 10311, 11802, 14730, 17185, 19670, 20622, 29505, 34370, 51555, 59010, 103110, 137971, 275942, 413913, 689855, 827826, 965797, 1379710, 1931594, 2069565, 2897391, 4139130, 4828985, 5794782, 9657970, 14486955, 28973910]

約数ペア:

[(1, 28973910), (2, 14486955), (3, 9657970), (5, 5794782), (6, 4828985), (7, 4139130), (10, 2897391), (14, 2069565), (15, 1931594), (21, 1379710), (30, 965797), (35, 827826), (42, 689855), (70, 413913), (105, 275942), (210, 137971), (281, 103110), (491, 59010), (562, 51555), (843, 34370), (982, 29505), (1405, 20622), (1473, 19670), (1686, 17185), (1967, 14730), (2455, 11802), (2810, 10311), (2946, 9835), (3437, 8430), (3934, 7365), (4215, 6874), (4910, 5901)]