71680198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{9479}}^1$

素因数の和:9699

約数の個数: 16

約数和(自身を含む): 113760000

約数和(自身を除く): 42079802

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 9479, 18958, 180101, 360202, 1886321, 3772642, 35840099, 71680198]

約数ペア:

[(1, 71680198), (2, 35840099), (19, 3772642), (38, 1886321), (199, 360202), (398, 180101), (3781, 18958), (7562, 9479)]