687186176

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 1428903168

約数和(自身を除く): 741716992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 256, 262, 496, 524, 661, 992, 1048, 1322, 1984, 2096, 2644, 3968, 4061, 4192, 5288, 7936, 8122, 8384, 10576, 16244, 16768, 20491, 21152, 32488, 33536, 40982, 42304, 64976, 81964, 84608, 86591, 129952, 163928, 169216, 173182, 259904, 327856, 346364, 519808, 655712, 692728, 1039616, 1311424, 1385456, 2622848, 2684321, 2770912, 5245696, 5368642, 5541824, 10737284, 11083648, 21474568, 22167296, 42949136, 85898272, 171796544, 343593088, 687186176]

約数ペア:

[(1, 687186176), (2, 343593088), (4, 171796544), (8, 85898272), (16, 42949136), (31, 22167296), (32, 21474568), (62, 11083648), (64, 10737284), (124, 5541824), (128, 5368642), (131, 5245696), (248, 2770912), (256, 2684321), (262, 2622848), (496, 1385456), (524, 1311424), (661, 1039616), (992, 692728), (1048, 655712), (1322, 519808), (1984, 346364), (2096, 327856), (2644, 259904), (3968, 173182), (4061, 169216), (4192, 163928), (5288, 129952), (7936, 86591), (8122, 84608), (8384, 81964), (10576, 64976), (16244, 42304), (16768, 40982), (20491, 33536), (21152, 32488)]