31721298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 77168640

約数和(自身を除く): 45447342

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 127, 133, 254, 266, 313, 381, 399, 626, 762, 798, 889, 939, 1778, 1878, 2191, 2413, 2667, 4382, 4826, 5334, 5947, 6573, 7239, 11894, 13146, 14478, 16891, 17841, 33782, 35682, 39751, 41629, 50673, 79502, 83258, 101346, 119253, 124887, 238506, 249774, 278257, 556514, 755269, 834771, 1510538, 1669542, 2265807, 4531614, 5286883, 10573766, 15860649, 31721298]

約数ペア:

[(1, 31721298), (2, 15860649), (3, 10573766), (6, 5286883), (7, 4531614), (14, 2265807), (19, 1669542), (21, 1510538), (38, 834771), (42, 755269), (57, 556514), (114, 278257), (127, 249774), (133, 238506), (254, 124887), (266, 119253), (313, 101346), (381, 83258), (399, 79502), (626, 50673), (762, 41629), (798, 39751), (889, 35682), (939, 33782), (1778, 17841), (1878, 16891), (2191, 14478), (2413, 13146), (2667, 11894), (4382, 7239), (4826, 6573), (5334, 5947)]