25451216

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2011}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 56883264

約数和(自身を除く): 31432048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 2011, 3164, 4022, 6328, 8044, 12656, 14077, 16088, 28154, 32176, 56308, 112616, 225232, 227243, 454486, 908972, 1590701, 1817944, 3181402, 3635888, 6362804, 12725608, 25451216]

約数ペア:

[(1, 25451216), (2, 12725608), (4, 6362804), (7, 3635888), (8, 3181402), (14, 1817944), (16, 1590701), (28, 908972), (56, 454486), (112, 227243), (113, 225232), (226, 112616), (452, 56308), (791, 32176), (904, 28154), (1582, 16088), (1808, 14077), (2011, 12656), (3164, 8044), (4022, 6328)]