257122144

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{27803}}^1$

素因数の和:27847

約数の個数: 36

約数和(自身を含む): 537757164

約数和(自身を除く): 280635020

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 27803, 55606, 111212, 222424, 444848, 472651, 889696, 945302, 1890604, 3781208, 7562416, 8035067, 15124832, 16070134, 32140268, 64280536, 128561072, 257122144]

約数ペア:

[(1, 257122144), (2, 128561072), (4, 64280536), (8, 32140268), (16, 16070134), (17, 15124832), (32, 8035067), (34, 7562416), (68, 3781208), (136, 1890604), (272, 945302), (289, 889696), (544, 472651), (578, 444848), (1156, 222424), (2312, 111212), (4624, 55606), (9248, 27803)]