208568738

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 398960640

約数和(自身を除く): 190391902

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 73, 133, 146, 161, 266, 322, 437, 467, 511, 874, 934, 1022, 1387, 1679, 2774, 3059, 3269, 3358, 6118, 6538, 8873, 9709, 10741, 11753, 17746, 19418, 21482, 23506, 31901, 34091, 62111, 63802, 68182, 75187, 124222, 150374, 204079, 223307, 238637, 408158, 446614, 477274, 647729, 784093, 1295458, 1428553, 1568186, 2857106, 4534103, 5488651, 9068206, 10977302, 14897767, 29795534, 104284369, 208568738]

約数ペア:

[(1, 208568738), (2, 104284369), (7, 29795534), (14, 14897767), (19, 10977302), (23, 9068206), (38, 5488651), (46, 4534103), (73, 2857106), (133, 1568186), (146, 1428553), (161, 1295458), (266, 784093), (322, 647729), (437, 477274), (467, 446614), (511, 408158), (874, 238637), (934, 223307), (1022, 204079), (1387, 150374), (1679, 124222), (2774, 75187), (3059, 68182), (3269, 63802), (3358, 62111), (6118, 34091), (6538, 31901), (8873, 23506), (9709, 21482), (10741, 19418), (11753, 17746)]