16859479

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 22400000

約数和(自身を除く): 5540521

約数列:

[1, 7, 13, 19, 49, 91, 133, 199, 247, 343, 637, 931, 1393, 1729, 2587, 3781, 4459, 6517, 9751, 12103, 18109, 26467, 49153, 68257, 84721, 126763, 185269, 344071, 887341, 1296883, 2408497, 16859479]

約数ペア:

[(1, 16859479), (7, 2408497), (13, 1296883), (19, 887341), (49, 344071), (91, 185269), (133, 126763), (199, 84721), (247, 68257), (343, 49153), (637, 26467), (931, 18109), (1393, 12103), (1729, 9751), (2587, 6517), (3781, 4459)]