201789497

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 265446720

約数和(自身を除く): 63657223

約数列:

[1, 7, 13, 43, 49, 53, 91, 139, 301, 371, 559, 637, 689, 973, 1807, 2107, 2279, 2597, 3913, 4823, 5977, 6811, 7367, 12649, 15953, 27391, 29627, 33761, 41839, 51569, 77701, 88543, 95771, 111671, 207389, 292873, 316781, 360983, 543907, 670397, 1451723, 2217467, 3807349, 4118153, 4692779, 15522269, 28827071, 201789497]

約数ペア:

[(1, 201789497), (7, 28827071), (13, 15522269), (43, 4692779), (49, 4118153), (53, 3807349), (91, 2217467), (139, 1451723), (301, 670397), (371, 543907), (559, 360983), (637, 316781), (689, 292873), (973, 207389), (1807, 111671), (2107, 95771), (2279, 88543), (2597, 77701), (3913, 51569), (4823, 41839), (5977, 33761), (6811, 29627), (7367, 27391), (12649, 15953)]