12601655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 17971200

約数和(自身を除く): 5369545

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 389, 589, 1045, 1705, 1945, 2945, 4279, 6479, 7391, 12059, 21395, 32395, 36955, 60295, 81301, 132649, 229121, 406505, 663245, 1145605, 2520331, 12601655]

約数ペア:

[(1, 12601655), (5, 2520331), (11, 1145605), (19, 663245), (31, 406505), (55, 229121), (95, 132649), (155, 81301), (209, 60295), (341, 36955), (389, 32395), (589, 21395), (1045, 12059), (1705, 7391), (1945, 6479), (2945, 4279)]