1728500004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{56687}}^1$

素因数の和:56726

約数の個数: 108

約数和(自身を含む): 5488758912

約数和(自身を除く): 3760258908

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 1089, 1386, 1452, 1694, 2178, 2541, 2772, 3388, 4356, 5082, 7623, 10164, 15246, 30492, 56687, 113374, 170061, 226748, 340122, 396809, 510183, 623557, 680244, 793618, 1020366, 1190427, 1247114, 1587236, 1870671, 2040732, 2380854, 2494228, 3571281, 3741342, 4364899, 4761708, 5612013, 6859127, 7142562, 7482684, 8729798, 11224026, 13094697, 13718254, 14285124, 17459596, 20577381, 22448052, 26189394, 27436508, 39284091, 41154762, 48013889, 52378788, 61732143, 78568182, 82309524, 96027778, 123464286, 144041667, 157136364, 192055556, 246928572, 288083334, 432125001, 576166668, 864250002, 1728500004]

約数ペア:

[(1, 1728500004), (2, 864250002), (3, 576166668), (4, 432125001), (6, 288083334), (7, 246928572), (9, 192055556), (11, 157136364), (12, 144041667), (14, 123464286), (18, 96027778), (21, 82309524), (22, 78568182), (28, 61732143), (33, 52378788), (36, 48013889), (42, 41154762), (44, 39284091), (63, 27436508), (66, 26189394), (77, 22448052), (84, 20577381), (99, 17459596), (121, 14285124), (126, 13718254), (132, 13094697), (154, 11224026), (198, 8729798), (231, 7482684), (242, 7142562), (252, 6859127), (308, 5612013), (363, 4761708), (396, 4364899), (462, 3741342), (484, 3571281), (693, 2494228), (726, 2380854), (847, 2040732), (924, 1870671), (1089, 1587236), (1386, 1247114), (1452, 1190427), (1694, 1020366), (2178, 793618), (2541, 680244), (2772, 623557), (3388, 510183), (4356, 396809), (5082, 340122), (7623, 226748), (10164, 170061), (15246, 113374), (30492, 56687)]