28063984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{134923}}^1$

素因数の和:134944

約数の個数: 20

約数和(自身を含む): 58557016

約数和(自身を除く): 30493032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 134923, 269846, 539692, 1079384, 1753999, 2158768, 3507998, 7015996, 14031992, 28063984]

約数ペア:

[(1, 28063984), (2, 14031992), (4, 7015996), (8, 3507998), (13, 2158768), (16, 1753999), (26, 1079384), (52, 539692), (104, 269846), (208, 134923)]