28643238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 67507440

約数和(自身を除く): 38864202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 981, 1123, 1417, 1962, 2246, 2834, 3369, 4251, 6738, 8502, 10107, 12753, 14599, 20214, 25506, 29198, 43797, 87594, 122407, 131391, 244814, 262782, 367221, 734442, 1101663, 1591291, 2203326, 3182582, 4773873, 9547746, 14321619, 28643238]

約数ペア:

[(1, 28643238), (2, 14321619), (3, 9547746), (6, 4773873), (9, 3182582), (13, 2203326), (18, 1591291), (26, 1101663), (39, 734442), (78, 367221), (109, 262782), (117, 244814), (218, 131391), (234, 122407), (327, 87594), (654, 43797), (981, 29198), (1123, 25506), (1417, 20214), (1962, 14599), (2246, 12753), (2834, 10107), (3369, 8502), (4251, 6738)]