28707426

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 43177374

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 186, 198, 279, 297, 341, 558, 594, 682, 837, 1023, 1559, 1674, 2046, 3069, 3118, 4677, 6138, 9207, 9354, 14031, 17149, 18414, 28062, 34298, 42093, 48329, 51447, 84186, 96658, 102894, 144987, 154341, 289974, 308682, 434961, 463023, 531619, 869922, 926046, 1063238, 1304883, 1594857, 2609766, 3189714, 4784571, 9569142, 14353713, 28707426]

約数ペア:

[(1, 28707426), (2, 14353713), (3, 9569142), (6, 4784571), (9, 3189714), (11, 2609766), (18, 1594857), (22, 1304883), (27, 1063238), (31, 926046), (33, 869922), (54, 531619), (62, 463023), (66, 434961), (93, 308682), (99, 289974), (186, 154341), (198, 144987), (279, 102894), (297, 96658), (341, 84186), (558, 51447), (594, 48329), (682, 42093), (837, 34298), (1023, 28062), (1559, 18414), (1674, 17149), (2046, 14031), (3069, 9354), (3118, 9207), (4677, 6138)]