690388166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{27631}}^1$

素因数の和:27708

約数の個数: 24

約数和(自身を含む): 1152420192

約数和(自身を除く): 462032026

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 12493, 24986, 27631, 55262, 359203, 718406, 856561, 1713122, 11135293, 22270586, 26553391, 53106782, 345194083, 690388166]

約数ペア:

[(1, 690388166), (2, 345194083), (13, 53106782), (26, 26553391), (31, 22270586), (62, 11135293), (403, 1713122), (806, 856561), (961, 718406), (1922, 359203), (12493, 55262), (24986, 27631)]