263491072

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1339

約数の個数: 80

約数和(自身を含む): 585712512

約数和(自身を除く): 322221440

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1277, 1612, 1664, 1984, 2554, 3224, 3328, 3968, 5108, 6448, 6656, 7936, 10216, 12896, 15872, 16601, 20432, 25792, 33202, 39587, 40864, 51584, 66404, 79174, 81728, 103168, 132808, 158348, 163456, 206336, 265616, 316696, 326912, 514631, 531232, 633392, 653824, 1029262, 1062464, 1266784, 2058524, 2124928, 2533568, 4117048, 4249856, 5067136, 8234096, 8499712, 10134272, 16468192, 20268544, 32936384, 65872768, 131745536, 263491072]

約数ペア:

[(1, 263491072), (2, 131745536), (4, 65872768), (8, 32936384), (13, 20268544), (16, 16468192), (26, 10134272), (31, 8499712), (32, 8234096), (52, 5067136), (62, 4249856), (64, 4117048), (104, 2533568), (124, 2124928), (128, 2058524), (208, 1266784), (248, 1062464), (256, 1029262), (403, 653824), (416, 633392), (496, 531232), (512, 514631), (806, 326912), (832, 316696), (992, 265616), (1277, 206336), (1612, 163456), (1664, 158348), (1984, 132808), (2554, 103168), (3224, 81728), (3328, 79174), (3968, 66404), (5108, 51584), (6448, 40864), (6656, 39587), (7936, 33202), (10216, 25792), (12896, 20432), (15872, 16601)]