248792453

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 330333696

約数和(自身を除く): 81541243

約数列:

[1, 7, 13, 31, 43, 49, 91, 217, 293, 301, 403, 559, 637, 1333, 1519, 2051, 2107, 2821, 3809, 3913, 9083, 9331, 12599, 14357, 17329, 19747, 26663, 27391, 63581, 65317, 88193, 118079, 121303, 163787, 186641, 390569, 445067, 617351, 826553, 849121, 1146509, 2733983, 5077397, 5785871, 8025563, 19137881, 35541779, 248792453]

約数ペア:

[(1, 248792453), (7, 35541779), (13, 19137881), (31, 8025563), (43, 5785871), (49, 5077397), (91, 2733983), (217, 1146509), (293, 849121), (301, 826553), (403, 617351), (559, 445067), (637, 390569), (1333, 186641), (1519, 163787), (2051, 121303), (2107, 118079), (2821, 88193), (3809, 65317), (3913, 63581), (9083, 27391), (9331, 26663), (12599, 19747), (14357, 17329)]