28928431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 35008000

約数和(自身を除く): 6079569

約数列:

[1, 7, 19, 133, 199, 1093, 1393, 3781, 7651, 20767, 26467, 145369, 217507, 1522549, 4132633, 28928431]

約数ペア:

[(1, 28928431), (7, 4132633), (19, 1522549), (133, 217507), (199, 145369), (1093, 26467), (1393, 20767), (3781, 7651)]