209969144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{340859}}^1$

素因数の和:340883

約数の個数: 32

約数和(自身を含む): 490838400

約数和(自身を除く): 280869256

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 340859, 681718, 1363436, 2386013, 2726872, 3749449, 4772026, 7498898, 9544052, 14997796, 19088104, 26246143, 29995592, 52492286, 104984572, 209969144]

約数ペア:

[(1, 209969144), (2, 104984572), (4, 52492286), (7, 29995592), (8, 26246143), (11, 19088104), (14, 14997796), (22, 9544052), (28, 7498898), (44, 4772026), (56, 3749449), (77, 2726872), (88, 2386013), (154, 1363436), (308, 681718), (616, 340859)]