905497866

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:530

約数の個数: 160

約数和(自身を含む): 2517419520

約数和(自身を除く): 1611921654

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, 239, 257, 273, 351, 378, 478, 514, 546, 567, 702, 717, 771, 819, 1053, 1134, 1434, 1542, 1638, 1673, 1799, 2106, 2151, 2313, 2457, 3107, 3341, 3346, 3598, 4302, 4626, 4914, 5019, 5397, 6214, 6453, 6682, 6939, 7371, 9321, 10023, 10038, 10794, 12906, 13878, 14742, 15057, 16191, 18642, 19359, 20046, 20817, 21749, 23387, 27963, 30069, 30114, 32382, 38718, 41634, 43498, 45171, 46774, 48573, 55926, 60138, 61423, 65247, 70161, 83889, 90207, 90342, 97146, 122846, 130494, 135513, 140322, 145719, 167778, 180414, 184269, 195741, 210483, 251667, 270621, 271026, 291438, 368538, 391482, 420966, 429961, 503334, 541242, 552807, 587223, 631449, 798499, 859922, 1105614, 1174446, 1262898, 1289883, 1596998, 1658421, 1761669, 1894347, 2395497, 2579766, 3316842, 3523338, 3788694, 3869649, 4790994, 4975263, 5589493, 7186491, 7739298, 9950526, 11178986, 11608947, 14372982, 16768479, 21559473, 23217894, 33536958, 34826841, 43118946, 50305437, 64678419, 69653682, 100610874, 129356838, 150916311, 301832622, 452748933, 905497866]

約数ペア:

[(1, 905497866), (2, 452748933), (3, 301832622), (6, 150916311), (7, 129356838), (9, 100610874), (13, 69653682), (14, 64678419), (18, 50305437), (21, 43118946), (26, 34826841), (27, 33536958), (39, 23217894), (42, 21559473), (54, 16768479), (63, 14372982), (78, 11608947), (81, 11178986), (91, 9950526), (117, 7739298), (126, 7186491), (162, 5589493), (182, 4975263), (189, 4790994), (234, 3869649), (239, 3788694), (257, 3523338), (273, 3316842), (351, 2579766), (378, 2395497), (478, 1894347), (514, 1761669), (546, 1658421), (567, 1596998), (702, 1289883), (717, 1262898), (771, 1174446), (819, 1105614), (1053, 859922), (1134, 798499), (1434, 631449), (1542, 587223), (1638, 552807), (1673, 541242), (1799, 503334), (2106, 429961), (2151, 420966), (2313, 391482), (2457, 368538), (3107, 291438), (3341, 271026), (3346, 270621), (3598, 251667), (4302, 210483), (4626, 195741), (4914, 184269), (5019, 180414), (5397, 167778), (6214, 145719), (6453, 140322), (6682, 135513), (6939, 130494), (7371, 122846), (9321, 97146), (10023, 90342), (10038, 90207), (10794, 83889), (12906, 70161), (13878, 65247), (14742, 61423), (15057, 60138), (16191, 55926), (18642, 48573), (19359, 46774), (20046, 45171), (20817, 43498), (21749, 41634), (23387, 38718), (27963, 32382), (30069, 30114)]