4990209

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 7852320

約数和(自身を除く): 2862111

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 409, 581, 1227, 1743, 2863, 4067, 8589, 12201, 20041, 33947, 60123, 101841, 237629, 712887, 1663403, 4990209]

約数ペア:

[(1, 4990209), (3, 1663403), (7, 712887), (21, 237629), (49, 101841), (83, 60123), (147, 33947), (249, 20041), (409, 12201), (581, 8589), (1227, 4067), (1743, 2863)]