1791987239

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1\times {\mathrm{3307}}^1$

素因数の和:3902

約数の個数: 16

約数和(自身を含む): 2064192000

約数和(自身を除く): 272204761

約数列:

[1, 7, 199, 389, 1393, 2723, 3307, 23149, 77411, 541877, 658093, 1286423, 4606651, 9004961, 255998177, 1791987239]

約数ペア:

[(1, 1791987239), (7, 255998177), (199, 9004961), (389, 4606651), (1393, 1286423), (2723, 658093), (3307, 541877), (23149, 77411)]