641564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2083}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 1400448

約数和(自身を除く): 758884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2083, 4166, 8332, 14581, 22913, 29162, 45826, 58324, 91652, 160391, 320782, 641564]

約数ペア:

[(1, 641564), (2, 320782), (4, 160391), (7, 91652), (11, 58324), (14, 45826), (22, 29162), (28, 22913), (44, 14581), (77, 8332), (154, 4166), (308, 2083)]