257444336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{22567}}^1$

素因数の和:22629

約数の個数: 40

約数和(自身を含む): 537298944

約数和(自身を除く): 279854608

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 2852, 5704, 11408, 22567, 45134, 90268, 180536, 361072, 519041, 699577, 1038082, 1399154, 2076164, 2798308, 4152328, 5596616, 8304656, 11193232, 16090271, 32180542, 64361084, 128722168, 257444336]

約数ペア:

[(1, 257444336), (2, 128722168), (4, 64361084), (8, 32180542), (16, 16090271), (23, 11193232), (31, 8304656), (46, 5596616), (62, 4152328), (92, 2798308), (124, 2076164), (184, 1399154), (248, 1038082), (368, 699577), (496, 519041), (713, 361072), (1426, 180536), (2852, 90268), (5704, 45134), (11408, 22567)]