68398208

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{43}}^2$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 148193505

約数和(自身を除く): 79795297

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 272, 289, 344, 544, 578, 688, 731, 1088, 1156, 1376, 1462, 1849, 2176, 2312, 2752, 2924, 3698, 4624, 5504, 5848, 7396, 9248, 11696, 12427, 14792, 18496, 23392, 24854, 29584, 31433, 36992, 46784, 49708, 59168, 62866, 93568, 99416, 118336, 125732, 198832, 236672, 251464, 397664, 502928, 534361, 795328, 1005856, 1068722, 1590656, 2011712, 2137444, 4023424, 4274888, 8549776, 17099552, 34199104, 68398208]

約数ペア:

[(1, 68398208), (2, 34199104), (4, 17099552), (8, 8549776), (16, 4274888), (17, 4023424), (32, 2137444), (34, 2011712), (43, 1590656), (64, 1068722), (68, 1005856), (86, 795328), (128, 534361), (136, 502928), (172, 397664), (272, 251464), (289, 236672), (344, 198832), (544, 125732), (578, 118336), (688, 99416), (731, 93568), (1088, 62866), (1156, 59168), (1376, 49708), (1462, 46784), (1849, 36992), (2176, 31433), (2312, 29584), (2752, 24854), (2924, 23392), (3698, 18496), (4624, 14792), (5504, 12427), (5848, 11696), (7396, 9248)]