1961275264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 4388186880

約数和(自身を除く): 2426911616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 193, 197, 208, 248, 386, 394, 403, 416, 496, 772, 788, 806, 832, 992, 1544, 1576, 1612, 1664, 1984, 2509, 2561, 3088, 3152, 3224, 3968, 5018, 5122, 5983, 6107, 6176, 6304, 6448, 10036, 10244, 11966, 12214, 12352, 12608, 12896, 20072, 20488, 23932, 24428, 24704, 25216, 25792, 38021, 40144, 40976, 47864, 48856, 51584, 76042, 77779, 79391, 80288, 81952, 95728, 97712, 152084, 155558, 158782, 160576, 163904, 191456, 195424, 304168, 311116, 317564, 321152, 327808, 382912, 390848, 494273, 608336, 622232, 635128, 765824, 781696, 988546, 1178651, 1216672, 1244464, 1270256, 1977092, 2357302, 2433344, 2488928, 2540512, 3954184, 4714604, 4866688, 4977856, 5081024, 7908368, 9429208, 9955712, 10162048, 15322463, 15816736, 18858416, 30644926, 31633472, 37716832, 61289852, 63266944, 75433664, 122579704, 150867328, 245159408, 490318816, 980637632, 1961275264]

約数ペア:

[(1, 1961275264), (2, 980637632), (4, 490318816), (8, 245159408), (13, 150867328), (16, 122579704), (26, 75433664), (31, 63266944), (32, 61289852), (52, 37716832), (62, 31633472), (64, 30644926), (104, 18858416), (124, 15816736), (128, 15322463), (193, 10162048), (197, 9955712), (208, 9429208), (248, 7908368), (386, 5081024), (394, 4977856), (403, 4866688), (416, 4714604), (496, 3954184), (772, 2540512), (788, 2488928), (806, 2433344), (832, 2357302), (992, 1977092), (1544, 1270256), (1576, 1244464), (1612, 1216672), (1664, 1178651), (1984, 988546), (2509, 781696), (2561, 765824), (3088, 635128), (3152, 622232), (3224, 608336), (3968, 494273), (5018, 390848), (5122, 382912), (5983, 327808), (6107, 321152), (6176, 317564), (6304, 311116), (6448, 304168), (10036, 195424), (10244, 191456), (11966, 163904), (12214, 160576), (12352, 158782), (12608, 155558), (12896, 152084), (20072, 97712), (20488, 95728), (23932, 81952), (24428, 80288), (24704, 79391), (25216, 77779), (25792, 76042), (38021, 51584), (40144, 48856), (40976, 47864)]