8639449

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 10950720

約数和(自身を除く): 2311271

約数列:

[1, 7, 13, 67, 91, 109, 169, 469, 763, 871, 1183, 1417, 6097, 7303, 9919, 11323, 18421, 51121, 79261, 94939, 128947, 664573, 1234207, 8639449]

約数ペア:

[(1, 8639449), (7, 1234207), (13, 664573), (67, 128947), (91, 94939), (109, 79261), (169, 51121), (469, 18421), (763, 11323), (871, 9919), (1183, 7303), (1417, 6097)]