66987745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 91653120

約数和(自身を除く): 24665375

約数列:

[1, 5, 11, 31, 55, 101, 155, 341, 389, 505, 1111, 1705, 1945, 3131, 4279, 5555, 12059, 15655, 21395, 34441, 39289, 60295, 132649, 172205, 196445, 432179, 663245, 1217959, 2160895, 6089795, 13397549, 66987745]

約数ペア:

[(1, 66987745), (5, 13397549), (11, 6089795), (31, 2160895), (55, 1217959), (101, 663245), (155, 432179), (341, 196445), (389, 172205), (505, 132649), (1111, 60295), (1705, 39289), (1945, 34441), (3131, 21395), (4279, 15655), (5555, 12059)]