856761845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{21347}}^1$

素因数の和:21724

約数の個数: 16

約数和(自身を含む): 1075939200

約数和(自身を除く): 219177355

約数列:

[1, 5, 23, 115, 349, 1745, 8027, 21347, 40135, 106735, 490981, 2454905, 7450103, 37250515, 171352369, 856761845]

約数ペア:

[(1, 856761845), (5, 171352369), (23, 37250515), (115, 7450103), (349, 2454905), (1745, 490981), (8027, 106735), (21347, 40135)]