129482768

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{31489}}^1$

素因数の和:31754

約数の個数: 20

約数和(自身を含む): 251857020

約数和(自身を除く): 122374252

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 31489, 62978, 125956, 251912, 503824, 8092673, 16185346, 32370692, 64741384, 129482768]

約数ペア:

[(1, 129482768), (2, 64741384), (4, 32370692), (8, 16185346), (16, 8092673), (257, 503824), (514, 251912), (1028, 125956), (2056, 62978), (4112, 31489)]