209218048

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:134

約数の個数: 120

約数和(自身を含む): 488007828

約数和(自身を除く): 278789780

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 43, 52, 64, 68, 86, 104, 128, 136, 172, 208, 221, 256, 272, 344, 416, 442, 512, 544, 559, 688, 731, 832, 884, 1088, 1118, 1376, 1462, 1664, 1768, 1849, 2176, 2236, 2752, 2924, 3328, 3536, 3698, 4352, 4472, 5504, 5848, 6656, 7072, 7396, 8704, 8944, 9503, 11008, 11696, 14144, 14792, 17888, 19006, 22016, 23392, 24037, 28288, 29584, 31433, 35776, 38012, 46784, 48074, 56576, 59168, 62866, 71552, 76024, 93568, 96148, 113152, 118336, 125732, 143104, 152048, 187136, 192296, 236672, 251464, 286208, 304096, 374272, 384592, 408629, 473344, 502928, 608192, 769184, 817258, 946688, 1005856, 1216384, 1538368, 1634516, 2011712, 2432768, 3076736, 3269032, 4023424, 4865536, 6153472, 6538064, 8046848, 12306944, 13076128, 16093696, 26152256, 52304512, 104609024, 209218048]

約数ペア:

[(1, 209218048), (2, 104609024), (4, 52304512), (8, 26152256), (13, 16093696), (16, 13076128), (17, 12306944), (26, 8046848), (32, 6538064), (34, 6153472), (43, 4865536), (52, 4023424), (64, 3269032), (68, 3076736), (86, 2432768), (104, 2011712), (128, 1634516), (136, 1538368), (172, 1216384), (208, 1005856), (221, 946688), (256, 817258), (272, 769184), (344, 608192), (416, 502928), (442, 473344), (512, 408629), (544, 384592), (559, 374272), (688, 304096), (731, 286208), (832, 251464), (884, 236672), (1088, 192296), (1118, 187136), (1376, 152048), (1462, 143104), (1664, 125732), (1768, 118336), (1849, 113152), (2176, 96148), (2236, 93568), (2752, 76024), (2924, 71552), (3328, 62866), (3536, 59168), (3698, 56576), (4352, 48074), (4472, 46784), (5504, 38012), (5848, 35776), (6656, 31433), (7072, 29584), (7396, 28288), (8704, 24037), (8944, 23392), (9503, 22016), (11008, 19006), (11696, 17888), (14144, 14792)]