207661568

素因数分解:

$2^9\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 60

約数和(自身を含む): 425700990

約数和(自身を除く): 218039422

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 109, 122, 128, 218, 244, 256, 436, 488, 512, 872, 976, 1744, 1952, 3488, 3721, 3904, 6649, 6976, 7442, 7808, 13298, 13952, 14884, 15616, 26596, 27904, 29768, 31232, 53192, 55808, 59536, 106384, 119072, 212768, 238144, 405589, 425536, 476288, 811178, 851072, 952576, 1622356, 1702144, 1905152, 3244712, 3404288, 6489424, 12978848, 25957696, 51915392, 103830784, 207661568]

約数ペア:

[(1, 207661568), (2, 103830784), (4, 51915392), (8, 25957696), (16, 12978848), (32, 6489424), (61, 3404288), (64, 3244712), (109, 1905152), (122, 1702144), (128, 1622356), (218, 952576), (244, 851072), (256, 811178), (436, 476288), (488, 425536), (512, 405589), (872, 238144), (976, 212768), (1744, 119072), (1952, 106384), (3488, 59536), (3721, 55808), (3904, 53192), (6649, 31232), (6976, 29768), (7442, 27904), (7808, 26596), (13298, 15616), (13952, 14884)]