263340342

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 648806400

約数和(自身を除く): 385466058

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 47, 54, 57, 86, 94, 114, 127, 129, 141, 171, 254, 258, 282, 342, 381, 387, 423, 513, 762, 774, 817, 846, 893, 1026, 1143, 1161, 1269, 1634, 1786, 2021, 2286, 2322, 2413, 2451, 2538, 2679, 3429, 4042, 4826, 4902, 5358, 5461, 5969, 6063, 6858, 7239, 7353, 8037, 10922, 11938, 12126, 14478, 14706, 16074, 16383, 17907, 18189, 21717, 22059, 24111, 32766, 35814, 36378, 38399, 43434, 44118, 48222, 49149, 53721, 54567, 65151, 76798, 98298, 103759, 107442, 109134, 113411, 115197, 130302, 147447, 161163, 207518, 226822, 230394, 256667, 294894, 311277, 322326, 340233, 345591, 513334, 622554, 680466, 691182, 770001, 933831, 1020699, 1036773, 1540002, 1867662, 2041398, 2073546, 2310003, 2801493, 3062097, 4620006, 4876673, 5602986, 6124194, 6930009, 9753346, 13860018, 14630019, 29260038, 43890057, 87780114, 131670171, 263340342]

約数ペア:

[(1, 263340342), (2, 131670171), (3, 87780114), (6, 43890057), (9, 29260038), (18, 14630019), (19, 13860018), (27, 9753346), (38, 6930009), (43, 6124194), (47, 5602986), (54, 4876673), (57, 4620006), (86, 3062097), (94, 2801493), (114, 2310003), (127, 2073546), (129, 2041398), (141, 1867662), (171, 1540002), (254, 1036773), (258, 1020699), (282, 933831), (342, 770001), (381, 691182), (387, 680466), (423, 622554), (513, 513334), (762, 345591), (774, 340233), (817, 322326), (846, 311277), (893, 294894), (1026, 256667), (1143, 230394), (1161, 226822), (1269, 207518), (1634, 161163), (1786, 147447), (2021, 130302), (2286, 115197), (2322, 113411), (2413, 109134), (2451, 107442), (2538, 103759), (2679, 98298), (3429, 76798), (4042, 65151), (4826, 54567), (4902, 53721), (5358, 49149), (5461, 48222), (5969, 44118), (6063, 43434), (6858, 38399), (7239, 36378), (7353, 35814), (8037, 32766), (10922, 24111), (11938, 22059), (12126, 21717), (14478, 18189), (14706, 17907), (16074, 16383)]