81167605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 106389504

約数和(自身を除く): 25221899

約数列:

[1, 5, 17, 73, 85, 103, 127, 365, 515, 635, 1241, 1751, 2159, 6205, 7519, 8755, 9271, 10795, 13081, 37595, 46355, 65405, 127823, 157607, 222377, 639115, 788035, 954913, 1111885, 4774565, 16233521, 81167605]

約数ペア:

[(1, 81167605), (5, 16233521), (17, 4774565), (73, 1111885), (85, 954913), (103, 788035), (127, 639115), (365, 222377), (515, 157607), (635, 127823), (1241, 65405), (1751, 46355), (2159, 37595), (6205, 13081), (7519, 10795), (8755, 9271)]