28973994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 67989600

約数和(自身を除く): 39015606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 417, 709, 834, 973, 1418, 1946, 2127, 2919, 4254, 4963, 5838, 6811, 9926, 13622, 14889, 20433, 29778, 34741, 40866, 69482, 98551, 104223, 197102, 208446, 295653, 591306, 689857, 1379714, 2069571, 4139142, 4828999, 9657998, 14486997, 28973994]

約数ペア:

[(1, 28973994), (2, 14486997), (3, 9657998), (6, 4828999), (7, 4139142), (14, 2069571), (21, 1379714), (42, 689857), (49, 591306), (98, 295653), (139, 208446), (147, 197102), (278, 104223), (294, 98551), (417, 69482), (709, 40866), (834, 34741), (973, 29778), (1418, 20433), (1946, 14889), (2127, 13622), (2919, 9926), (4254, 6811), (4963, 5838)]