643709976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{821}}^1$

素因数の和:1209

約数の個数: 128

約数和(自身を含む): 1988582400

約数和(自身を除く): 1344872424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 359, 364, 546, 718, 728, 821, 1077, 1092, 1436, 1642, 2154, 2184, 2463, 2513, 2872, 3284, 4308, 4667, 4926, 5026, 5747, 6568, 7539, 8616, 9334, 9852, 10052, 10673, 11494, 14001, 15078, 17241, 18668, 19704, 20104, 21346, 22988, 28002, 30156, 32019, 32669, 34482, 37336, 42692, 45976, 56004, 60312, 64038, 65338, 68964, 74711, 85384, 98007, 112008, 128076, 130676, 137928, 149422, 196014, 224133, 256152, 261352, 294739, 298844, 392028, 448266, 589478, 597688, 784056, 884217, 896532, 1178956, 1768434, 1793064, 2063173, 2357912, 3536868, 3831607, 4126346, 6189519, 7073736, 7663214, 8252692, 11494821, 12379038, 15326428, 16505384, 22989642, 24758076, 26821249, 30652856, 45979284, 49516152, 53642498, 80463747, 91958568, 107284996, 160927494, 214569992, 321854988, 643709976]

約数ペア:

[(1, 643709976), (2, 321854988), (3, 214569992), (4, 160927494), (6, 107284996), (7, 91958568), (8, 80463747), (12, 53642498), (13, 49516152), (14, 45979284), (21, 30652856), (24, 26821249), (26, 24758076), (28, 22989642), (39, 16505384), (42, 15326428), (52, 12379038), (56, 11494821), (78, 8252692), (84, 7663214), (91, 7073736), (104, 6189519), (156, 4126346), (168, 3831607), (182, 3536868), (273, 2357912), (312, 2063173), (359, 1793064), (364, 1768434), (546, 1178956), (718, 896532), (728, 884217), (821, 784056), (1077, 597688), (1092, 589478), (1436, 448266), (1642, 392028), (2154, 298844), (2184, 294739), (2463, 261352), (2513, 256152), (2872, 224133), (3284, 196014), (4308, 149422), (4667, 137928), (4926, 130676), (5026, 128076), (5747, 112008), (6568, 98007), (7539, 85384), (8616, 74711), (9334, 68964), (9852, 65338), (10052, 64038), (10673, 60312), (11494, 56004), (14001, 45976), (15078, 42692), (17241, 37336), (18668, 34482), (19704, 32669), (20104, 32019), (21346, 30156), (22988, 28002)]