2178736756

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{9311}}^1$

素因数の和:9520

約数の個数: 48

約数和(自身を含む): 4461714432

約数和(自身を除く): 2282977676

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 137, 244, 274, 427, 548, 854, 959, 1708, 1918, 3836, 8357, 9311, 16714, 18622, 33428, 37244, 58499, 65177, 116998, 130354, 233996, 260708, 567971, 1135942, 1275607, 2271884, 2551214, 3975797, 5102428, 7951594, 8929249, 15903188, 17858498, 35716996, 77812027, 155624054, 311248108, 544684189, 1089368378, 2178736756]

約数ペア:

[(1, 2178736756), (2, 1089368378), (4, 544684189), (7, 311248108), (14, 155624054), (28, 77812027), (61, 35716996), (122, 17858498), (137, 15903188), (244, 8929249), (274, 7951594), (427, 5102428), (548, 3975797), (854, 2551214), (959, 2271884), (1708, 1275607), (1918, 1135942), (3836, 567971), (8357, 260708), (9311, 233996), (16714, 130354), (18622, 116998), (33428, 65177), (37244, 58499)]