291211121072

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{2719}}^1\times {\mathrm{16693}}^1$

素因数の和:19821

約数の個数: 40

約数和(自身を含む): 565870508160

約数和(自身を除く): 274659387088

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 2719, 3208, 5438, 6416, 10876, 16693, 21752, 33386, 43504, 66772, 133544, 267088, 1090319, 2180638, 4361276, 6693893, 8722552, 13387786, 17445104, 26775572, 45388267, 53551144, 90776534, 107102288, 181553068, 363106136, 726212272, 18200695067, 36401390134, 72802780268, 145605560536, 291211121072]

約数ペア:

[(1, 291211121072), (2, 145605560536), (4, 72802780268), (8, 36401390134), (16, 18200695067), (401, 726212272), (802, 363106136), (1604, 181553068), (2719, 107102288), (3208, 90776534), (5438, 53551144), (6416, 45388267), (10876, 26775572), (16693, 17445104), (21752, 13387786), (33386, 8722552), (43504, 6693893), (66772, 4361276), (133544, 2180638), (267088, 1090319)]