15825978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 42172416

約数和(自身を除く): 26346438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 43, 46, 63, 69, 86, 126, 127, 129, 138, 161, 207, 254, 258, 301, 322, 381, 387, 414, 483, 602, 762, 774, 889, 903, 966, 989, 1143, 1449, 1778, 1806, 1978, 2286, 2667, 2709, 2898, 2921, 2967, 5334, 5418, 5461, 5842, 5934, 6923, 8001, 8763, 8901, 10922, 13846, 16002, 16383, 17526, 17802, 20447, 20769, 26289, 32766, 38227, 40894, 41538, 49149, 52578, 61341, 62307, 76454, 98298, 114681, 122682, 124614, 125603, 184023, 229362, 251206, 344043, 368046, 376809, 688086, 753618, 879221, 1130427, 1758442, 2260854, 2637663, 5275326, 7912989, 15825978]

約数ペア:

[(1, 15825978), (2, 7912989), (3, 5275326), (6, 2637663), (7, 2260854), (9, 1758442), (14, 1130427), (18, 879221), (21, 753618), (23, 688086), (42, 376809), (43, 368046), (46, 344043), (63, 251206), (69, 229362), (86, 184023), (126, 125603), (127, 124614), (129, 122682), (138, 114681), (161, 98298), (207, 76454), (254, 62307), (258, 61341), (301, 52578), (322, 49149), (381, 41538), (387, 40894), (414, 38227), (483, 32766), (602, 26289), (762, 20769), (774, 20447), (889, 17802), (903, 17526), (966, 16383), (989, 16002), (1143, 13846), (1449, 10922), (1778, 8901), (1806, 8763), (1978, 8001), (2286, 6923), (2667, 5934), (2709, 5842), (2898, 5461), (2921, 5418), (2967, 5334)]