168806656

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 353203200

約数和(自身を除く): 184396544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 239, 248, 256, 356, 478, 496, 712, 956, 992, 1424, 1912, 1984, 2759, 2848, 3824, 3968, 5518, 5696, 7409, 7648, 7936, 11036, 11392, 14818, 15296, 21271, 22072, 22784, 29636, 30592, 42542, 44144, 59272, 61184, 85084, 88288, 118544, 170168, 176576, 237088, 340336, 353152, 474176, 659401, 680672, 706304, 948352, 1318802, 1361344, 1896704, 2637604, 2722688, 5275208, 5445376, 10550416, 21100832, 42201664, 84403328, 168806656]

約数ペア:

[(1, 168806656), (2, 84403328), (4, 42201664), (8, 21100832), (16, 10550416), (31, 5445376), (32, 5275208), (62, 2722688), (64, 2637604), (89, 1896704), (124, 1361344), (128, 1318802), (178, 948352), (239, 706304), (248, 680672), (256, 659401), (356, 474176), (478, 353152), (496, 340336), (712, 237088), (956, 176576), (992, 170168), (1424, 118544), (1912, 88288), (1984, 85084), (2759, 61184), (2848, 59272), (3824, 44144), (3968, 42542), (5518, 30592), (5696, 29636), (7409, 22784), (7648, 22072), (7936, 21271), (11036, 15296), (11392, 14818)]