688749568

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1733

約数の個数: 88

約数和(自身を含む): 1531483520

約数和(自身を除く): 842733952

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, 1024, 1612, 1664, 1669, 1984, 3224, 3328, 3338, 3968, 6448, 6656, 6676, 7936, 12896, 13312, 13352, 15872, 21697, 25792, 26704, 31744, 43394, 51584, 51739, 53408, 86788, 103168, 103478, 106816, 173576, 206336, 206956, 213632, 347152, 412672, 413912, 427264, 672607, 694304, 827824, 854528, 1345214, 1388608, 1655648, 1709056, 2690428, 2777216, 3311296, 5380856, 5554432, 6622592, 10761712, 11108864, 13245184, 21523424, 22217728, 26490368, 43046848, 52980736, 86093696, 172187392, 344374784, 688749568]

約数ペア:

[(1, 688749568), (2, 344374784), (4, 172187392), (8, 86093696), (13, 52980736), (16, 43046848), (26, 26490368), (31, 22217728), (32, 21523424), (52, 13245184), (62, 11108864), (64, 10761712), (104, 6622592), (124, 5554432), (128, 5380856), (208, 3311296), (248, 2777216), (256, 2690428), (403, 1709056), (416, 1655648), (496, 1388608), (512, 1345214), (806, 854528), (832, 827824), (992, 694304), (1024, 672607), (1612, 427264), (1664, 413912), (1669, 412672), (1984, 347152), (3224, 213632), (3328, 206956), (3338, 206336), (3968, 173576), (6448, 106816), (6656, 103478), (6676, 103168), (7936, 86788), (12896, 53408), (13312, 51739), (13352, 51584), (15872, 43394), (21697, 31744), (25792, 26704)]