25864377

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 20584263

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 71, 77, 83, 133, 209, 213, 231, 249, 399, 497, 581, 627, 781, 913, 1349, 1463, 1491, 1577, 1743, 2343, 2739, 4047, 4389, 4731, 5467, 5893, 6391, 9443, 11039, 14839, 16401, 17347, 17679, 19173, 28329, 33117, 41251, 44517, 52041, 64823, 103873, 111967, 121429, 123753, 194469, 311619, 335901, 364287, 453761, 783769, 1231637, 1361283, 2351307, 3694911, 8621459, 25864377]

約数ペア:

[(1, 25864377), (3, 8621459), (7, 3694911), (11, 2351307), (19, 1361283), (21, 1231637), (33, 783769), (57, 453761), (71, 364287), (77, 335901), (83, 311619), (133, 194469), (209, 123753), (213, 121429), (231, 111967), (249, 103873), (399, 64823), (497, 52041), (581, 44517), (627, 41251), (781, 33117), (913, 28329), (1349, 19173), (1463, 17679), (1491, 17347), (1577, 16401), (1743, 14839), (2343, 11039), (2739, 9443), (4047, 6391), (4389, 5893), (4731, 5467)]