398911968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 288

約数和(自身を含む): 1444165632

約数和(自身を除く): 1045253664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 31, 32, 36, 39, 42, 48, 52, 56, 62, 63, 72, 78, 84, 91, 93, 96, 104, 112, 117, 124, 126, 144, 156, 168, 182, 186, 208, 217, 224, 234, 248, 252, 273, 279, 288, 312, 336, 364, 372, 403, 416, 434, 468, 491, 496, 504, 546, 558, 624, 651, 672, 728, 744, 806, 819, 868, 936, 982, 992, 1008, 1092, 1116, 1209, 1248, 1302, 1456, 1473, 1488, 1612, 1638, 1736, 1872, 1953, 1964, 2016, 2184, 2232, 2418, 2604, 2821, 2912, 2946, 2976, 3224, 3276, 3437, 3472, 3627, 3744, 3906, 3928, 4368, 4419, 4464, 4836, 5208, 5642, 5892, 6383, 6448, 6552, 6874, 6944, 7254, 7812, 7856, 8463, 8736, 8838, 8928, 9672, 10311, 10416, 11284, 11784, 12766, 12896, 13104, 13748, 14508, 15221, 15624, 15712, 16926, 17676, 19149, 19344, 20622, 20832, 22568, 23568, 25389, 25532, 26208, 27496, 29016, 30442, 30933, 31248, 33852, 35352, 38298, 38688, 41244, 44681, 45136, 45663, 47136, 50778, 51064, 54992, 57447, 58032, 60884, 61866, 62496, 67704, 70704, 76596, 82488, 89362, 90272, 91326, 101556, 102128, 106547, 109984, 114894, 116064, 121768, 123732, 134043, 135408, 136989, 141408, 153192, 164976, 178724, 182652, 197873, 203112, 204256, 213094, 229788, 243536, 247464, 268086, 270816, 273978, 306384, 319641, 329952, 357448, 365304, 395746, 402129, 406224, 426188, 459576, 487072, 494928, 536172, 547956, 593619, 612768, 639282, 714896, 730608, 791492, 804258, 812448, 852376, 919152, 958923, 989856, 1072344, 1095912, 1187238, 1278564, 1385111, 1429792, 1461216, 1582984, 1608516, 1704752, 1780857, 1838304, 1917846, 2144688, 2191824, 2374476, 2557128, 2770222, 3165968, 3217032, 3409504, 3561714, 3835692, 4155333, 4289376, 4383648, 4748952, 5114256, 5540444, 6331936, 6434064, 7123428, 7671384, 8310666, 9497904, 10228512, 11080888, 12465999, 12868128, 14246856, 15342768, 16621332, 18995808, 22161776, 24931998, 28493712, 30685536, 33242664, 44323552, 49863996, 56987424, 66485328, 99727992, 132970656, 199455984, 398911968]

約数ペア:

[(1, 398911968), (2, 199455984), (3, 132970656), (4, 99727992), (6, 66485328), (7, 56987424), (8, 49863996), (9, 44323552), (12, 33242664), (13, 30685536), (14, 28493712), (16, 24931998), (18, 22161776), (21, 18995808), (24, 16621332), (26, 15342768), (28, 14246856), (31, 12868128), (32, 12465999), (36, 11080888), (39, 10228512), (42, 9497904), (48, 8310666), (52, 7671384), (56, 7123428), (62, 6434064), (63, 6331936), (72, 5540444), (78, 5114256), (84, 4748952), (91, 4383648), (93, 4289376), (96, 4155333), (104, 3835692), (112, 3561714), (117, 3409504), (124, 3217032), (126, 3165968), (144, 2770222), (156, 2557128), (168, 2374476), (182, 2191824), (186, 2144688), (208, 1917846), (217, 1838304), (224, 1780857), (234, 1704752), (248, 1608516), (252, 1582984), (273, 1461216), (279, 1429792), (288, 1385111), (312, 1278564), (336, 1187238), (364, 1095912), (372, 1072344), (403, 989856), (416, 958923), (434, 919152), (468, 852376), (491, 812448), (496, 804258), (504, 791492), (546, 730608), (558, 714896), (624, 639282), (651, 612768), (672, 593619), (728, 547956), (744, 536172), (806, 494928), (819, 487072), (868, 459576), (936, 426188), (982, 406224), (992, 402129), (1008, 395746), (1092, 365304), (1116, 357448), (1209, 329952), (1248, 319641), (1302, 306384), (1456, 273978), (1473, 270816), (1488, 268086), (1612, 247464), (1638, 243536), (1736, 229788), (1872, 213094), (1953, 204256), (1964, 203112), (2016, 197873), (2184, 182652), (2232, 178724), (2418, 164976), (2604, 153192), (2821, 141408), (2912, 136989), (2946, 135408), (2976, 134043), (3224, 123732), (3276, 121768), (3437, 116064), (3472, 114894), (3627, 109984), (3744, 106547), (3906, 102128), (3928, 101556), (4368, 91326), (4419, 90272), (4464, 89362), (4836, 82488), (5208, 76596), (5642, 70704), (5892, 67704), (6383, 62496), (6448, 61866), (6552, 60884), (6874, 58032), (6944, 57447), (7254, 54992), (7812, 51064), (7856, 50778), (8463, 47136), (8736, 45663), (8838, 45136), (8928, 44681), (9672, 41244), (10311, 38688), (10416, 38298), (11284, 35352), (11784, 33852), (12766, 31248), (12896, 30933), (13104, 30442), (13748, 29016), (14508, 27496), (15221, 26208), (15624, 25532), (15712, 25389), (16926, 23568), (17676, 22568), (19149, 20832), (19344, 20622)]