1285681628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{6221}}^1$

素因数の和:6315

約数の個数: 72

約数和(自身を含む): 2873170272

約数和(自身を除く): 1587488644

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 121, 122, 154, 242, 244, 308, 427, 484, 671, 847, 854, 1342, 1694, 1708, 2684, 3388, 4697, 6221, 7381, 9394, 12442, 14762, 18788, 24884, 29524, 43547, 51667, 68431, 87094, 103334, 136862, 174188, 206668, 273724, 379481, 479017, 752741, 758962, 958034, 1505482, 1517924, 1916068, 2656367, 3010964, 4174291, 5269187, 5312734, 8348582, 10538374, 10625468, 16697164, 21076748, 29220037, 45917201, 58440074, 91834402, 116880148, 183668804, 321420407, 642840814, 1285681628]

約数ペア:

[(1, 1285681628), (2, 642840814), (4, 321420407), (7, 183668804), (11, 116880148), (14, 91834402), (22, 58440074), (28, 45917201), (44, 29220037), (61, 21076748), (77, 16697164), (121, 10625468), (122, 10538374), (154, 8348582), (242, 5312734), (244, 5269187), (308, 4174291), (427, 3010964), (484, 2656367), (671, 1916068), (847, 1517924), (854, 1505482), (1342, 958034), (1694, 758962), (1708, 752741), (2684, 479017), (3388, 379481), (4697, 273724), (6221, 206668), (7381, 174188), (9394, 136862), (12442, 103334), (14762, 87094), (18788, 68431), (24884, 51667), (29524, 43547)]