28765808

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21661}}^1$

素因数の和:21752

約数の個数: 20

約数和(自身を含む): 56407848

約数和(自身を除く): 27642040

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21661, 43322, 86644, 173288, 346576, 1797863, 3595726, 7191452, 14382904, 28765808]

約数ペア:

[(1, 28765808), (2, 14382904), (4, 7191452), (8, 3595726), (16, 1797863), (83, 346576), (166, 173288), (332, 86644), (664, 43322), (1328, 21661)]