648231948

素因数分解:

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

素因数の和:565

約数の個数: 216

約数和(自身を含む): 2097478656

約数和(自身を除く): 1449246708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 169, 182, 186, 217, 234, 252, 273, 279, 338, 364, 372, 403, 434, 468, 491, 507, 546, 558, 651, 676, 806, 819, 868, 982, 1014, 1092, 1116, 1183, 1209, 1302, 1473, 1521, 1612, 1638, 1953, 1964, 2028, 2366, 2418, 2604, 2821, 2946, 3042, 3276, 3437, 3549, 3627, 3906, 4419, 4732, 4836, 5239, 5642, 5892, 6084, 6383, 6874, 7098, 7254, 7812, 8463, 8838, 10311, 10478, 10647, 11284, 12766, 13748, 14196, 14508, 15221, 15717, 16926, 17676, 19149, 20622, 20956, 21294, 25389, 25532, 30442, 30933, 31434, 33852, 36673, 38298, 41244, 42588, 44681, 45663, 47151, 50778, 57447, 60884, 61866, 62868, 73346, 76596, 82979, 89362, 91326, 94302, 101556, 106547, 110019, 114894, 123732, 134043, 136989, 146692, 165958, 178724, 182652, 188604, 197873, 213094, 220038, 229788, 248937, 268086, 273978, 319641, 330057, 331916, 395746, 402129, 426188, 440076, 497874, 536172, 547956, 580853, 593619, 639282, 660114, 746811, 791492, 804258, 958923, 995748, 1161706, 1187238, 1278564, 1320228, 1385111, 1493622, 1608516, 1742559, 1780857, 1917846, 2323412, 2374476, 2572349, 2770222, 2987244, 3485118, 3561714, 3835692, 4155333, 5144698, 5227677, 5540444, 6970236, 7123428, 7717047, 8310666, 10289396, 10455354, 12465999, 15434094, 16621332, 18006443, 20910708, 23151141, 24931998, 30868188, 36012886, 46302282, 49863996, 54019329, 72025772, 92604564, 108038658, 162057987, 216077316, 324115974, 648231948]

約数ペア:

[(1, 648231948), (2, 324115974), (3, 216077316), (4, 162057987), (6, 108038658), (7, 92604564), (9, 72025772), (12, 54019329), (13, 49863996), (14, 46302282), (18, 36012886), (21, 30868188), (26, 24931998), (28, 23151141), (31, 20910708), (36, 18006443), (39, 16621332), (42, 15434094), (52, 12465999), (62, 10455354), (63, 10289396), (78, 8310666), (84, 7717047), (91, 7123428), (93, 6970236), (117, 5540444), (124, 5227677), (126, 5144698), (156, 4155333), (169, 3835692), (182, 3561714), (186, 3485118), (217, 2987244), (234, 2770222), (252, 2572349), (273, 2374476), (279, 2323412), (338, 1917846), (364, 1780857), (372, 1742559), (403, 1608516), (434, 1493622), (468, 1385111), (491, 1320228), (507, 1278564), (546, 1187238), (558, 1161706), (651, 995748), (676, 958923), (806, 804258), (819, 791492), (868, 746811), (982, 660114), (1014, 639282), (1092, 593619), (1116, 580853), (1183, 547956), (1209, 536172), (1302, 497874), (1473, 440076), (1521, 426188), (1612, 402129), (1638, 395746), (1953, 331916), (1964, 330057), (2028, 319641), (2366, 273978), (2418, 268086), (2604, 248937), (2821, 229788), (2946, 220038), (3042, 213094), (3276, 197873), (3437, 188604), (3549, 182652), (3627, 178724), (3906, 165958), (4419, 146692), (4732, 136989), (4836, 134043), (5239, 123732), (5642, 114894), (5892, 110019), (6084, 106547), (6383, 101556), (6874, 94302), (7098, 91326), (7254, 89362), (7812, 82979), (8463, 76596), (8838, 73346), (10311, 62868), (10478, 61866), (10647, 60884), (11284, 57447), (12766, 50778), (13748, 47151), (14196, 45663), (14508, 44681), (15221, 42588), (15717, 41244), (16926, 38298), (17676, 36673), (19149, 33852), (20622, 31434), (20956, 30933), (21294, 30442), (25389, 25532)]