9978059

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 13440000

約数和(自身を除く): 3461941

約数列:

[1, 7, 13, 19, 29, 91, 133, 199, 203, 247, 377, 551, 1393, 1729, 2587, 2639, 3781, 3857, 5771, 7163, 18109, 26467, 40397, 49153, 50141, 75023, 109649, 344071, 525161, 767543, 1425437, 9978059]

約数ペア:

[(1, 9978059), (7, 1425437), (13, 767543), (19, 525161), (29, 344071), (91, 109649), (133, 75023), (199, 50141), (203, 49153), (247, 40397), (377, 26467), (551, 18109), (1393, 7163), (1729, 5771), (2587, 3857), (2639, 3781)]