131172145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 176166144

約数和(自身を除く): 44993999

約数列:

[1, 5, 13, 43, 65, 71, 215, 355, 559, 661, 923, 2795, 3053, 3305, 4615, 8593, 15265, 28423, 39689, 42965, 46931, 142115, 198445, 234655, 369499, 610103, 1847495, 2018033, 3050515, 10090165, 26234429, 131172145]

約数ペア:

[(1, 131172145), (5, 26234429), (13, 10090165), (43, 3050515), (65, 2018033), (71, 1847495), (215, 610103), (355, 369499), (559, 234655), (661, 198445), (923, 142115), (2795, 46931), (3053, 42965), (3305, 39689), (4615, 28423), (8593, 15265)]