128815168

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{64927}}^1$

素因数の和:64970

約数の個数: 28

約数和(自身を含む): 263867392

約数和(自身を除く): 135052224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 64927, 129854, 259708, 519416, 1038832, 2012737, 2077664, 4025474, 4155328, 8050948, 16101896, 32203792, 64407584, 128815168]

約数ペア:

[(1, 128815168), (2, 64407584), (4, 32203792), (8, 16101896), (16, 8050948), (31, 4155328), (32, 4025474), (62, 2077664), (64, 2012737), (124, 1038832), (248, 519416), (496, 259708), (992, 129854), (1984, 64927)]