2557689344

素因数分解:

$2^9\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1103}}^1$

素因数の和:1775

約数の個数: 80

約数和(自身を含む): 5854768128

約数和(自身を除く): 3297078784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 647, 896, 1103, 1294, 1792, 2206, 2588, 3584, 4412, 4529, 5176, 7721, 8824, 9058, 10352, 15442, 17648, 18116, 20704, 30884, 35296, 36232, 41408, 61768, 70592, 72464, 82816, 123536, 141184, 144928, 165632, 247072, 282368, 289856, 331264, 494144, 564736, 579712, 713641, 988288, 1159424, 1427282, 1976576, 2318848, 2854564, 3953152, 4995487, 5709128, 9990974, 11418256, 19981948, 22836512, 39963896, 45673024, 79927792, 91346048, 159855584, 182692096, 319711168, 365384192, 639422336, 1278844672, 2557689344]

約数ペア:

[(1, 2557689344), (2, 1278844672), (4, 639422336), (7, 365384192), (8, 319711168), (14, 182692096), (16, 159855584), (28, 91346048), (32, 79927792), (56, 45673024), (64, 39963896), (112, 22836512), (128, 19981948), (224, 11418256), (256, 9990974), (448, 5709128), (512, 4995487), (647, 3953152), (896, 2854564), (1103, 2318848), (1294, 1976576), (1792, 1427282), (2206, 1159424), (2588, 988288), (3584, 713641), (4412, 579712), (4529, 564736), (5176, 494144), (7721, 331264), (8824, 289856), (9058, 282368), (10352, 247072), (15442, 165632), (17648, 144928), (18116, 141184), (20704, 123536), (30884, 82816), (35296, 72464), (36232, 70592), (41408, 61768)]