28177578

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 76204800

約数和(自身を除く): 48027222

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 41, 54, 66, 78, 82, 89, 99, 117, 123, 143, 178, 198, 234, 246, 267, 286, 297, 351, 369, 429, 451, 533, 534, 594, 702, 738, 801, 858, 902, 979, 1066, 1107, 1157, 1287, 1353, 1599, 1602, 1958, 2214, 2314, 2403, 2574, 2706, 2937, 3198, 3471, 3649, 3861, 4059, 4797, 4806, 5863, 5874, 6942, 7298, 7722, 8118, 8811, 9594, 10413, 10947, 11726, 12177, 12727, 14391, 17589, 17622, 20826, 21894, 24354, 25454, 26433, 28782, 31239, 32841, 35178, 38181, 40139, 47437, 52767, 52866, 62478, 65682, 76362, 80278, 94874, 98523, 105534, 114543, 120417, 142311, 158301, 197046, 229086, 240834, 284622, 316602, 343629, 361251, 426933, 521807, 687258, 722502, 853866, 1043614, 1083753, 1280799, 1565421, 2167506, 2561598, 3130842, 4696263, 9392526, 14088789, 28177578]

約数ペア:

[(1, 28177578), (2, 14088789), (3, 9392526), (6, 4696263), (9, 3130842), (11, 2561598), (13, 2167506), (18, 1565421), (22, 1280799), (26, 1083753), (27, 1043614), (33, 853866), (39, 722502), (41, 687258), (54, 521807), (66, 426933), (78, 361251), (82, 343629), (89, 316602), (99, 284622), (117, 240834), (123, 229086), (143, 197046), (178, 158301), (198, 142311), (234, 120417), (246, 114543), (267, 105534), (286, 98523), (297, 94874), (351, 80278), (369, 76362), (429, 65682), (451, 62478), (533, 52866), (534, 52767), (594, 47437), (702, 40139), (738, 38181), (801, 35178), (858, 32841), (902, 31239), (979, 28782), (1066, 26433), (1107, 25454), (1157, 24354), (1287, 21894), (1353, 20826), (1599, 17622), (1602, 17589), (1958, 14391), (2214, 12727), (2314, 12177), (2403, 11726), (2574, 10947), (2706, 10413), (2937, 9594), (3198, 8811), (3471, 8118), (3649, 7722), (3861, 7298), (4059, 6942), (4797, 5874), (4806, 5863)]