209455984

素因数分解:

$2^4\times {\mathrm{1013}}^1\times {\mathrm{12923}}^1$

素因数の和:13944

約数の個数: 20

約数和(自身を含む): 406253016

約数和(自身を除く): 196797032

約数列:

[1, 2, 4, 8, 16, 1013, 2026, 4052, 8104, 12923, 16208, 25846, 51692, 103384, 206768, 13090999, 26181998, 52363996, 104727992, 209455984]

約数ペア:

[(1, 209455984), (2, 104727992), (4, 52363996), (8, 26181998), (16, 13090999), (1013, 206768), (2026, 103384), (4052, 51692), (8104, 25846), (12923, 16208)]