866262155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2131}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 1197331200

約数和(自身を除く): 331069045

約数列:

[1, 5, 11, 19, 55, 95, 209, 389, 1045, 1945, 2131, 4279, 7391, 10655, 21395, 23441, 36955, 40489, 81301, 117205, 202445, 406505, 445379, 828959, 2226895, 4144795, 9118549, 15750221, 45592745, 78751105, 173252431, 866262155]

約数ペア:

[(1, 866262155), (5, 173252431), (11, 78751105), (19, 45592745), (55, 15750221), (95, 9118549), (209, 4144795), (389, 2226895), (1045, 828959), (1945, 445379), (2131, 406505), (4279, 202445), (7391, 117205), (10655, 81301), (21395, 40489), (23441, 36955)]