28735278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 68366592

約数和(自身を除く): 39631314

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 107, 143, 214, 286, 313, 321, 429, 626, 642, 858, 939, 1177, 1391, 1878, 2354, 2782, 3443, 3531, 4069, 4173, 6886, 7062, 8138, 8346, 10329, 12207, 15301, 20658, 24414, 30602, 33491, 44759, 45903, 66982, 89518, 91806, 100473, 134277, 200946, 268554, 368401, 435383, 736802, 870766, 1105203, 1306149, 2210406, 2612298, 4789213, 9578426, 14367639, 28735278]

約数ペア:

[(1, 28735278), (2, 14367639), (3, 9578426), (6, 4789213), (11, 2612298), (13, 2210406), (22, 1306149), (26, 1105203), (33, 870766), (39, 736802), (66, 435383), (78, 368401), (107, 268554), (143, 200946), (214, 134277), (286, 100473), (313, 91806), (321, 89518), (429, 66982), (626, 45903), (642, 44759), (858, 33491), (939, 30602), (1177, 24414), (1391, 20658), (1878, 15301), (2354, 12207), (2782, 10329), (3443, 8346), (3531, 8138), (4069, 7062), (4173, 6886)]