31303118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 30628402

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 79, 83, 154, 158, 166, 217, 341, 434, 553, 581, 682, 869, 913, 1106, 1162, 1738, 1826, 2387, 2449, 2573, 4774, 4898, 5146, 6083, 6391, 6557, 12166, 12782, 13114, 17143, 18011, 26939, 28303, 34286, 36022, 45899, 53878, 56606, 72127, 91798, 144254, 188573, 198121, 203267, 377146, 396242, 406534, 504889, 1009778, 1422869, 2235937, 2845738, 4471874, 15651559, 31303118]

約数ペア:

[(1, 31303118), (2, 15651559), (7, 4471874), (11, 2845738), (14, 2235937), (22, 1422869), (31, 1009778), (62, 504889), (77, 406534), (79, 396242), (83, 377146), (154, 203267), (158, 198121), (166, 188573), (217, 144254), (341, 91798), (434, 72127), (553, 56606), (581, 53878), (682, 45899), (869, 36022), (913, 34286), (1106, 28303), (1162, 26939), (1738, 18011), (1826, 17143), (2387, 13114), (2449, 12782), (2573, 12166), (4774, 6557), (4898, 6391), (5146, 6083)]