647308928

素因数分解:

$2^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 1541358720

約数和(自身を除く): 894049792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 53, 56, 64, 86, 106, 112, 128, 172, 212, 224, 301, 317, 344, 371, 424, 448, 602, 634, 688, 742, 848, 896, 1204, 1268, 1376, 1484, 1696, 2219, 2279, 2408, 2536, 2752, 2968, 3392, 4438, 4558, 4816, 5072, 5504, 5936, 6784, 8876, 9116, 9632, 10144, 11872, 13631, 15953, 16801, 17752, 18232, 19264, 20288, 23744, 27262, 31906, 33602, 35504, 36464, 38528, 40576, 47488, 54524, 63812, 67204, 71008, 72928, 95417, 109048, 117607, 127624, 134408, 142016, 145856, 190834, 218096, 235214, 255248, 268816, 284032, 291712, 381668, 436192, 470428, 510496, 537632, 722443, 763336, 872384, 940856, 1020992, 1075264, 1444886, 1526672, 1744768, 1881712, 2041984, 2150528, 2889772, 3053344, 3763424, 5057101, 5779544, 6106688, 7526848, 10114202, 11559088, 12213376, 15053696, 20228404, 23118176, 40456808, 46236352, 80913616, 92472704, 161827232, 323654464, 647308928]

約数ペア:

[(1, 647308928), (2, 323654464), (4, 161827232), (7, 92472704), (8, 80913616), (14, 46236352), (16, 40456808), (28, 23118176), (32, 20228404), (43, 15053696), (53, 12213376), (56, 11559088), (64, 10114202), (86, 7526848), (106, 6106688), (112, 5779544), (128, 5057101), (172, 3763424), (212, 3053344), (224, 2889772), (301, 2150528), (317, 2041984), (344, 1881712), (371, 1744768), (424, 1526672), (448, 1444886), (602, 1075264), (634, 1020992), (688, 940856), (742, 872384), (848, 763336), (896, 722443), (1204, 537632), (1268, 510496), (1376, 470428), (1484, 436192), (1696, 381668), (2219, 291712), (2279, 284032), (2408, 268816), (2536, 255248), (2752, 235214), (2968, 218096), (3392, 190834), (4438, 145856), (4558, 142016), (4816, 134408), (5072, 127624), (5504, 117607), (5936, 109048), (6784, 95417), (8876, 72928), (9116, 71008), (9632, 67204), (10144, 63812), (11872, 54524), (13631, 47488), (15953, 40576), (16801, 38528), (17752, 36464), (18232, 35504), (19264, 33602), (20288, 31906), (23744, 27262)]