128838208

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{8423}}^1$

素因数の和:8674

約数の個数: 28

約数和(自身を含む): 256763520

約数和(自身を除く): 127925312

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1912, 3824, 7648, 8423, 15296, 16846, 33692, 67384, 134768, 269536, 539072, 2013097, 4026194, 8052388, 16104776, 32209552, 64419104, 128838208]

約数ペア:

[(1, 128838208), (2, 64419104), (4, 32209552), (8, 16104776), (16, 8052388), (32, 4026194), (64, 2013097), (239, 539072), (478, 269536), (956, 134768), (1912, 67384), (3824, 33692), (7648, 16846), (8423, 15296)]