28348866

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 78519168

約数和(自身を除く): 50170302

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 243, 273, 351, 378, 486, 546, 567, 641, 702, 819, 1053, 1134, 1282, 1638, 1701, 1923, 2106, 2457, 3159, 3402, 3846, 4487, 4914, 5769, 6318, 7371, 8333, 8974, 11538, 13461, 14742, 16666, 17307, 22113, 24999, 26922, 34614, 40383, 44226, 49998, 51921, 58331, 74997, 80766, 103842, 116662, 121149, 149994, 155763, 174993, 224991, 242298, 311526, 349986, 363447, 449982, 524979, 674973, 726894, 1049958, 1090341, 1349946, 1574937, 2024919, 2180682, 3149874, 4049838, 4724811, 9449622, 14174433, 28348866]

約数ペア:

[(1, 28348866), (2, 14174433), (3, 9449622), (6, 4724811), (7, 4049838), (9, 3149874), (13, 2180682), (14, 2024919), (18, 1574937), (21, 1349946), (26, 1090341), (27, 1049958), (39, 726894), (42, 674973), (54, 524979), (63, 449982), (78, 363447), (81, 349986), (91, 311526), (117, 242298), (126, 224991), (162, 174993), (182, 155763), (189, 149994), (234, 121149), (243, 116662), (273, 103842), (351, 80766), (378, 74997), (486, 58331), (546, 51921), (567, 49998), (641, 44226), (702, 40383), (819, 34614), (1053, 26922), (1134, 24999), (1282, 22113), (1638, 17307), (1701, 16666), (1923, 14742), (2106, 13461), (2457, 11538), (3159, 8974), (3402, 8333), (3846, 7371), (4487, 6318), (4914, 5769)]