65408512

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 80

約数和(自身を含む): 145740672

約数和(自身を除く): 80332160

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, 1268, 1612, 1664, 1984, 2536, 3224, 3328, 3968, 4121, 5072, 6448, 6656, 7936, 8242, 9827, 10144, 12896, 15872, 16484, 19654, 20288, 25792, 32968, 39308, 40576, 51584, 65936, 78616, 81152, 103168, 127751, 131872, 157232, 162304, 206336, 255502, 263744, 314464, 511004, 527488, 628928, 1022008, 1054976, 1257856, 2044016, 2109952, 2515712, 4088032, 5031424, 8176064, 16352128, 32704256, 65408512]

約数ペア:

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