549991026

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 1376256000

約数和(自身を除く): 826264974

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 93, 117, 127, 186, 199, 234, 254, 279, 351, 381, 398, 403, 558, 597, 702, 762, 806, 837, 1143, 1194, 1209, 1651, 1674, 1791, 2286, 2418, 2587, 3302, 3429, 3582, 3627, 3937, 4953, 5174, 5373, 6169, 6858, 7254, 7761, 7874, 9906, 10746, 10881, 11811, 12338, 14859, 15522, 18507, 21762, 23283, 23622, 25273, 29718, 35433, 37014, 44577, 46566, 50546, 51181, 55521, 69849, 70866, 75819, 80197, 89154, 102362, 106299, 111042, 139698, 151638, 153543, 160394, 166563, 212598, 227457, 240591, 307086, 328549, 333126, 454914, 460629, 481182, 657098, 682371, 721773, 783463, 921258, 985647, 1364742, 1381887, 1443546, 1566926, 1971294, 2165319, 2350389, 2763774, 2956941, 4330638, 4700778, 5913882, 7051167, 8870823, 10185019, 14102334, 17741646, 20370038, 21153501, 30555057, 42307002, 61110114, 91665171, 183330342, 274995513, 549991026]

約数ペア:

[(1, 549991026), (2, 274995513), (3, 183330342), (6, 91665171), (9, 61110114), (13, 42307002), (18, 30555057), (26, 21153501), (27, 20370038), (31, 17741646), (39, 14102334), (54, 10185019), (62, 8870823), (78, 7051167), (93, 5913882), (117, 4700778), (127, 4330638), (186, 2956941), (199, 2763774), (234, 2350389), (254, 2165319), (279, 1971294), (351, 1566926), (381, 1443546), (398, 1381887), (403, 1364742), (558, 985647), (597, 921258), (702, 783463), (762, 721773), (806, 682371), (837, 657098), (1143, 481182), (1194, 460629), (1209, 454914), (1651, 333126), (1674, 328549), (1791, 307086), (2286, 240591), (2418, 227457), (2587, 212598), (3302, 166563), (3429, 160394), (3582, 153543), (3627, 151638), (3937, 139698), (4953, 111042), (5174, 106299), (5373, 102362), (6169, 89154), (6858, 80197), (7254, 75819), (7761, 70866), (7874, 69849), (9906, 55521), (10746, 51181), (10881, 50546), (11811, 46566), (12338, 44577), (14859, 37014), (15522, 35433), (18507, 29718), (21762, 25273), (23283, 23622)]