168409856

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{21221}}^1$

素因数の和:21268

約数の個数: 36

約数和(自身を含む): 347022144

約数和(自身を除く): 178612288

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 21221, 42442, 84884, 169768, 339536, 657851, 679072, 1315702, 1358144, 2631404, 2716288, 5262808, 5432576, 10525616, 21051232, 42102464, 84204928, 168409856]

約数ペア:

[(1, 168409856), (2, 84204928), (4, 42102464), (8, 21051232), (16, 10525616), (31, 5432576), (32, 5262808), (62, 2716288), (64, 2631404), (124, 1358144), (128, 1315702), (248, 679072), (256, 657851), (496, 339536), (992, 169768), (1984, 84884), (3968, 42442), (7936, 21221)]