261634048

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 583390080

約数和(自身を除く): 321756032

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 317, 403, 416, 496, 512, 634, 806, 832, 992, 1024, 1268, 1612, 1664, 1984, 2048, 2536, 3224, 3328, 3968, 4121, 5072, 6448, 6656, 7936, 8242, 9827, 10144, 12896, 13312, 15872, 16484, 19654, 20288, 25792, 26624, 31744, 32968, 39308, 40576, 51584, 63488, 65936, 78616, 81152, 103168, 127751, 131872, 157232, 162304, 206336, 255502, 263744, 314464, 324608, 412672, 511004, 527488, 628928, 649216, 825344, 1022008, 1054976, 1257856, 2044016, 2109952, 2515712, 4088032, 4219904, 5031424, 8176064, 8439808, 10062848, 16352128, 20125696, 32704256, 65408512, 130817024, 261634048]

約数ペア:

[(1, 261634048), (2, 130817024), (4, 65408512), (8, 32704256), (13, 20125696), (16, 16352128), (26, 10062848), (31, 8439808), (32, 8176064), (52, 5031424), (62, 4219904), (64, 4088032), (104, 2515712), (124, 2109952), (128, 2044016), (208, 1257856), (248, 1054976), (256, 1022008), (317, 825344), (403, 649216), (416, 628928), (496, 527488), (512, 511004), (634, 412672), (806, 324608), (832, 314464), (992, 263744), (1024, 255502), (1268, 206336), (1612, 162304), (1664, 157232), (1984, 131872), (2048, 127751), (2536, 103168), (3224, 81152), (3328, 78616), (3968, 65936), (4121, 63488), (5072, 51584), (6448, 40576), (6656, 39308), (7936, 32968), (8242, 31744), (9827, 26624), (10144, 25792), (12896, 20288), (13312, 19654), (15872, 16484)]