128216128

素因数分解:

$2^6\times {\mathrm{113}}^1\times {\mathrm{17729}}^1$

素因数の和:17854

約数の個数: 28

約数和(自身を含む): 256694940

約数和(自身を除く): 128478812

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 226, 452, 904, 1808, 3616, 7232, 17729, 35458, 70916, 141832, 283664, 567328, 1134656, 2003377, 4006754, 8013508, 16027016, 32054032, 64108064, 128216128]

約数ペア:

[(1, 128216128), (2, 64108064), (4, 32054032), (8, 16027016), (16, 8013508), (32, 4006754), (64, 2003377), (113, 1134656), (226, 567328), (452, 283664), (904, 141832), (1808, 70916), (3616, 35458), (7232, 17729)]