199491331

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 219744000

約数和(自身を除く): 20252669

約数列:

[1, 13, 59, 199, 767, 1307, 2587, 11741, 16991, 77113, 152633, 260093, 1002469, 3381209, 15345487, 199491331]

約数ペア:

[(1, 199491331), (13, 15345487), (59, 3381209), (199, 1002469), (767, 260093), (1307, 152633), (2587, 77113), (11741, 16991)]