199954867

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 253808640

約数和(自身を除く): 53853773

約数列:

[1, 7, 17, 31, 67, 119, 217, 469, 527, 809, 1139, 2077, 3689, 5663, 7973, 13753, 14539, 25079, 35309, 54203, 96271, 175553, 247163, 379421, 426343, 921451, 1680293, 2984401, 6450157, 11762051, 28564981, 199954867]

約数ペア:

[(1, 199954867), (7, 28564981), (17, 11762051), (31, 6450157), (67, 2984401), (119, 1680293), (217, 921451), (469, 426343), (527, 379421), (809, 247163), (1139, 175553), (2077, 96271), (3689, 54203), (5663, 35309), (7973, 25079), (13753, 14539)]