641864496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6389}}^1$

素因数の和:6443

約数の個数: 160

約数和(自身を含む): 2129863680

約数和(自身を除く): 1487999184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 39, 42, 46, 48, 52, 56, 69, 78, 84, 91, 92, 104, 112, 138, 156, 161, 168, 182, 184, 208, 273, 276, 299, 312, 322, 336, 364, 368, 483, 546, 552, 598, 624, 644, 728, 897, 966, 1092, 1104, 1196, 1288, 1456, 1794, 1932, 2093, 2184, 2392, 2576, 3588, 3864, 4186, 4368, 4784, 6279, 6389, 7176, 7728, 8372, 12558, 12778, 14352, 16744, 19167, 25116, 25556, 33488, 38334, 44723, 50232, 51112, 76668, 83057, 89446, 100464, 102224, 134169, 146947, 153336, 166114, 178892, 249171, 268338, 293894, 306672, 332228, 357784, 440841, 498342, 536676, 581399, 587788, 664456, 715568, 881682, 996684, 1028629, 1073352, 1162798, 1175576, 1328912, 1744197, 1763364, 1910311, 1993368, 2057258, 2146704, 2325596, 2351152, 3085887, 3488394, 3526728, 3820622, 3986736, 4114516, 4651192, 5730933, 6171774, 6976788, 7053456, 7641244, 8229032, 9302384, 11461866, 12343548, 13372177, 13953576, 15282488, 16458064, 22923732, 24687096, 26744354, 27907152, 30564976, 40116531, 45847464, 49374192, 53488708, 80233062, 91694928, 106977416, 160466124, 213954832, 320932248, 641864496]

約数ペア:

[(1, 641864496), (2, 320932248), (3, 213954832), (4, 160466124), (6, 106977416), (7, 91694928), (8, 80233062), (12, 53488708), (13, 49374192), (14, 45847464), (16, 40116531), (21, 30564976), (23, 27907152), (24, 26744354), (26, 24687096), (28, 22923732), (39, 16458064), (42, 15282488), (46, 13953576), (48, 13372177), (52, 12343548), (56, 11461866), (69, 9302384), (78, 8229032), (84, 7641244), (91, 7053456), (92, 6976788), (104, 6171774), (112, 5730933), (138, 4651192), (156, 4114516), (161, 3986736), (168, 3820622), (182, 3526728), (184, 3488394), (208, 3085887), (273, 2351152), (276, 2325596), (299, 2146704), (312, 2057258), (322, 1993368), (336, 1910311), (364, 1763364), (368, 1744197), (483, 1328912), (546, 1175576), (552, 1162798), (598, 1073352), (624, 1028629), (644, 996684), (728, 881682), (897, 715568), (966, 664456), (1092, 587788), (1104, 581399), (1196, 536676), (1288, 498342), (1456, 440841), (1794, 357784), (1932, 332228), (2093, 306672), (2184, 293894), (2392, 268338), (2576, 249171), (3588, 178892), (3864, 166114), (4186, 153336), (4368, 146947), (4784, 134169), (6279, 102224), (6389, 100464), (7176, 89446), (7728, 83057), (8372, 76668), (12558, 51112), (12778, 50232), (14352, 44723), (16744, 38334), (19167, 33488), (25116, 25556)]