890758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 1535040

約数和(自身を除く): 644282

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 2131, 4262, 23441, 40489, 46882, 80978, 445379, 890758]

約数ペア:

[(1, 890758), (2, 445379), (11, 80978), (19, 46882), (22, 40489), (38, 23441), (209, 4262), (418, 2131)]