491376288

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1047

約数の個数: 144

約数和(自身を含む): 1443246336

約数和(自身を除く): 951870048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 169, 186, 208, 248, 312, 338, 372, 403, 416, 496, 507, 624, 676, 744, 806, 977, 992, 1014, 1209, 1248, 1352, 1488, 1612, 1954, 2028, 2418, 2704, 2931, 2976, 3224, 3908, 4056, 4836, 5239, 5408, 5862, 6448, 7816, 8112, 9672, 10478, 11724, 12701, 12896, 15632, 15717, 16224, 19344, 20956, 23448, 25402, 30287, 31264, 31434, 38103, 38688, 41912, 46896, 50804, 60574, 62868, 76206, 83824, 90861, 93792, 101608, 121148, 125736, 152412, 165113, 167648, 181722, 203216, 242296, 251472, 304824, 330226, 363444, 393731, 406432, 484592, 495339, 502944, 609648, 660452, 726888, 787462, 969184, 990678, 1181193, 1219296, 1320904, 1453776, 1574924, 1981356, 2362386, 2641808, 2907552, 3149848, 3962712, 4724772, 5118503, 5283616, 6299696, 7925424, 9449544, 10237006, 12599392, 15355509, 15850848, 18899088, 20474012, 30711018, 37798176, 40948024, 61422036, 81896048, 122844072, 163792096, 245688144, 491376288]

約数ペア:

[(1, 491376288), (2, 245688144), (3, 163792096), (4, 122844072), (6, 81896048), (8, 61422036), (12, 40948024), (13, 37798176), (16, 30711018), (24, 20474012), (26, 18899088), (31, 15850848), (32, 15355509), (39, 12599392), (48, 10237006), (52, 9449544), (62, 7925424), (78, 6299696), (93, 5283616), (96, 5118503), (104, 4724772), (124, 3962712), (156, 3149848), (169, 2907552), (186, 2641808), (208, 2362386), (248, 1981356), (312, 1574924), (338, 1453776), (372, 1320904), (403, 1219296), (416, 1181193), (496, 990678), (507, 969184), (624, 787462), (676, 726888), (744, 660452), (806, 609648), (977, 502944), (992, 495339), (1014, 484592), (1209, 406432), (1248, 393731), (1352, 363444), (1488, 330226), (1612, 304824), (1954, 251472), (2028, 242296), (2418, 203216), (2704, 181722), (2931, 167648), (2976, 165113), (3224, 152412), (3908, 125736), (4056, 121148), (4836, 101608), (5239, 93792), (5408, 90861), (5862, 83824), (6448, 76206), (7816, 62868), (8112, 60574), (9672, 50804), (10478, 46896), (11724, 41912), (12701, 38688), (12896, 38103), (15632, 31434), (15717, 31264), (16224, 30287), (19344, 25402), (20956, 23448)]