287908736

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 626906280

約数和(自身を除く): 338997544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 181, 272, 289, 344, 362, 544, 578, 688, 724, 731, 1088, 1156, 1376, 1448, 1462, 2176, 2312, 2752, 2896, 2924, 3077, 4624, 5504, 5792, 5848, 6154, 7783, 9248, 11584, 11696, 12308, 12427, 15566, 18496, 23168, 23392, 24616, 24854, 31132, 36992, 46784, 49232, 49708, 52309, 62264, 93568, 98464, 99416, 104618, 124528, 132311, 196928, 198832, 209236, 249056, 264622, 393856, 397664, 418472, 498112, 529244, 795328, 836944, 996224, 1058488, 1590656, 1673888, 2116976, 2249287, 3347776, 4233952, 4498574, 6695552, 8467904, 8997148, 16935808, 17994296, 35988592, 71977184, 143954368, 287908736]

約数ペア:

[(1, 287908736), (2, 143954368), (4, 71977184), (8, 35988592), (16, 17994296), (17, 16935808), (32, 8997148), (34, 8467904), (43, 6695552), (64, 4498574), (68, 4233952), (86, 3347776), (128, 2249287), (136, 2116976), (172, 1673888), (181, 1590656), (272, 1058488), (289, 996224), (344, 836944), (362, 795328), (544, 529244), (578, 498112), (688, 418472), (724, 397664), (731, 393856), (1088, 264622), (1156, 249056), (1376, 209236), (1448, 198832), (1462, 196928), (2176, 132311), (2312, 124528), (2752, 104618), (2896, 99416), (2924, 98464), (3077, 93568), (4624, 62264), (5504, 52309), (5792, 49708), (5848, 49232), (6154, 46784), (7783, 36992), (9248, 31132), (11584, 24854), (11696, 24616), (12308, 23392), (12427, 23168), (15566, 18496)]