720521282

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{28837}}^1$

素因数の和:28914

約数の個数: 24

約数和(自身を含む): 1202717628

約数和(自身を除く): 482196346

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 12493, 24986, 28837, 57674, 374881, 749762, 893947, 1787894, 11621311, 23242622, 27712357, 55424714, 360260641, 720521282]

約数ペア:

[(1, 720521282), (2, 360260641), (13, 55424714), (26, 27712357), (31, 23242622), (62, 11621311), (403, 1787894), (806, 893947), (961, 749762), (1922, 374881), (12493, 57674), (24986, 28837)]