42647248

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 80

約数和(自身を含む): 101680000

約数和(自身を除く): 59032752

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 409, 532, 686, 784, 818, 931, 1064, 1372, 1636, 1862, 2128, 2744, 2863, 3272, 3724, 5488, 5726, 6517, 6544, 7448, 7771, 11452, 13034, 14896, 15542, 20041, 22904, 26068, 31084, 40082, 45808, 52136, 54397, 62168, 80164, 104272, 108794, 124336, 140287, 160328, 217588, 280574, 320656, 380779, 435176, 561148, 761558, 870352, 1122296, 1523116, 2244592, 2665453, 3046232, 5330906, 6092464, 10661812, 21323624, 42647248]

約数ペア:

[(1, 42647248), (2, 21323624), (4, 10661812), (7, 6092464), (8, 5330906), (14, 3046232), (16, 2665453), (19, 2244592), (28, 1523116), (38, 1122296), (49, 870352), (56, 761558), (76, 561148), (98, 435176), (112, 380779), (133, 320656), (152, 280574), (196, 217588), (266, 160328), (304, 140287), (343, 124336), (392, 108794), (409, 104272), (532, 80164), (686, 62168), (784, 54397), (818, 52136), (931, 45808), (1064, 40082), (1372, 31084), (1636, 26068), (1862, 22904), (2128, 20041), (2744, 15542), (2863, 14896), (3272, 13034), (3724, 11452), (5488, 7771), (5726, 7448), (6517, 6544)]