256688586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 731427840

約数和(自身を除く): 474739254

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 59, 63, 66, 73, 77, 86, 99, 118, 126, 129, 146, 154, 177, 198, 219, 231, 258, 301, 354, 387, 413, 438, 462, 473, 511, 531, 602, 649, 657, 693, 774, 803, 826, 903, 946, 1022, 1062, 1239, 1298, 1314, 1386, 1419, 1533, 1606, 1806, 1947, 2409, 2478, 2537, 2709, 2838, 3066, 3139, 3311, 3717, 3894, 4257, 4307, 4543, 4599, 4818, 5074, 5418, 5621, 5841, 6278, 6622, 7227, 7434, 7611, 8514, 8614, 9086, 9198, 9417, 9933, 11242, 11682, 12921, 13629, 14454, 15222, 16863, 17759, 18834, 19866, 21973, 22833, 25842, 27258, 27907, 28251, 29799, 30149, 33726, 34529, 35518, 38763, 40887, 43946, 45666, 47377, 50589, 53277, 55814, 56502, 59598, 60298, 65919, 69058, 77526, 81774, 83721, 90447, 94754, 101178, 103587, 106554, 131838, 142131, 159831, 167442, 180894, 185201, 195349, 197757, 207174, 241703, 251163, 271341, 284262, 310761, 319662, 331639, 370402, 390698, 395514, 426393, 483406, 502326, 542682, 555603, 586047, 621522, 663278, 725109, 852786, 994917, 1111206, 1172094, 1296407, 1450218, 1666809, 1758141, 1989834, 2037211, 2175327, 2592814, 2984751, 3333618, 3516282, 3889221, 4074422, 4350654, 5969502, 6111633, 7778442, 11667663, 12223266, 14260477, 18334899, 23335326, 28520954, 36669798, 42781431, 85562862, 128344293, 256688586]

約数ペア:

[(1, 256688586), (2, 128344293), (3, 85562862), (6, 42781431), (7, 36669798), (9, 28520954), (11, 23335326), (14, 18334899), (18, 14260477), (21, 12223266), (22, 11667663), (33, 7778442), (42, 6111633), (43, 5969502), (59, 4350654), (63, 4074422), (66, 3889221), (73, 3516282), (77, 3333618), (86, 2984751), (99, 2592814), (118, 2175327), (126, 2037211), (129, 1989834), (146, 1758141), (154, 1666809), (177, 1450218), (198, 1296407), (219, 1172094), (231, 1111206), (258, 994917), (301, 852786), (354, 725109), (387, 663278), (413, 621522), (438, 586047), (462, 555603), (473, 542682), (511, 502326), (531, 483406), (602, 426393), (649, 395514), (657, 390698), (693, 370402), (774, 331639), (803, 319662), (826, 310761), (903, 284262), (946, 271341), (1022, 251163), (1062, 241703), (1239, 207174), (1298, 197757), (1314, 195349), (1386, 185201), (1419, 180894), (1533, 167442), (1606, 159831), (1806, 142131), (1947, 131838), (2409, 106554), (2478, 103587), (2537, 101178), (2709, 94754), (2838, 90447), (3066, 83721), (3139, 81774), (3311, 77526), (3717, 69058), (3894, 65919), (4257, 60298), (4307, 59598), (4543, 56502), (4599, 55814), (4818, 53277), (5074, 50589), (5418, 47377), (5621, 45666), (5841, 43946), (6278, 40887), (6622, 38763), (7227, 35518), (7434, 34529), (7611, 33726), (8514, 30149), (8614, 29799), (9086, 28251), (9198, 27907), (9417, 27258), (9933, 25842), (11242, 22833), (11682, 21973), (12921, 19866), (13629, 18834), (14454, 17759), (15222, 16863)]