311948656

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:1081

約数の個数: 40

約数和(自身を含む): 613286640

約数和(自身を除く): 301337984

約数列:

[1, 2, 4, 8, 16, 107, 214, 257, 428, 514, 709, 856, 1028, 1418, 1712, 2056, 2836, 4112, 5672, 11344, 27499, 54998, 75863, 109996, 151726, 182213, 219992, 303452, 364426, 439984, 606904, 728852, 1213808, 1457704, 2915408, 19496791, 38993582, 77987164, 155974328, 311948656]

約数ペア:

[(1, 311948656), (2, 155974328), (4, 77987164), (8, 38993582), (16, 19496791), (107, 2915408), (214, 1457704), (257, 1213808), (428, 728852), (514, 606904), (709, 439984), (856, 364426), (1028, 303452), (1418, 219992), (1712, 182213), (2056, 151726), (2836, 109996), (4112, 75863), (5672, 54998), (11344, 27499)]