128740052

素因数分解:

$2^2\times 7^2\times {\mathrm{701}}^1\times {\mathrm{937}}^1$

素因数の和:1656

約数の個数: 36

約数和(自身を含む): 262731924

約数和(自身を除く): 133991872

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 701, 937, 1402, 1874, 2804, 3748, 4907, 6559, 9814, 13118, 19628, 26236, 34349, 45913, 68698, 91826, 137396, 183652, 656837, 1313674, 2627348, 4597859, 9195718, 18391436, 32185013, 64370026, 128740052]

約数ペア:

[(1, 128740052), (2, 64370026), (4, 32185013), (7, 18391436), (14, 9195718), (28, 4597859), (49, 2627348), (98, 1313674), (196, 656837), (701, 183652), (937, 137396), (1402, 91826), (1874, 68698), (2804, 45913), (3748, 34349), (4907, 26236), (6559, 19628), (9814, 13118)]