81474294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 182891520

約数和(自身を除く): 101417226

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 107, 139, 166, 214, 249, 278, 321, 417, 498, 642, 834, 913, 1177, 1529, 1826, 2354, 2739, 3058, 3531, 4587, 5478, 7062, 8881, 9174, 11537, 14873, 17762, 23074, 26643, 29746, 34611, 44619, 53286, 69222, 89238, 97691, 126907, 163603, 195382, 253814, 293073, 327206, 380721, 490809, 586146, 761442, 981618, 1234459, 2468918, 3703377, 7406754, 13579049, 27158098, 40737147, 81474294]

約数ペア:

[(1, 81474294), (2, 40737147), (3, 27158098), (6, 13579049), (11, 7406754), (22, 3703377), (33, 2468918), (66, 1234459), (83, 981618), (107, 761442), (139, 586146), (166, 490809), (214, 380721), (249, 327206), (278, 293073), (321, 253814), (417, 195382), (498, 163603), (642, 126907), (834, 97691), (913, 89238), (1177, 69222), (1529, 53286), (1826, 44619), (2354, 34611), (2739, 29746), (3058, 26643), (3531, 23074), (4587, 17762), (5478, 14873), (7062, 11537), (8881, 9174)]