131222144

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{3989}}^1$

素因数の和:4260

約数の個数: 32

約数和(自身を含む): 262502100

約数和(自身を除く): 131279956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 1028, 2056, 3989, 4112, 7978, 8224, 15956, 16448, 31912, 32896, 63824, 127648, 255296, 510592, 1025173, 2050346, 4100692, 8201384, 16402768, 32805536, 65611072, 131222144]

約数ペア:

[(1, 131222144), (2, 65611072), (4, 32805536), (8, 16402768), (16, 8201384), (32, 4100692), (64, 2050346), (128, 1025173), (257, 510592), (514, 255296), (1028, 127648), (2056, 63824), (3989, 32896), (4112, 31912), (7978, 16448), (8224, 15956)]