64940889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 98017920

約数和(自身を除く): 33077031

約数列:

[1, 3, 13, 29, 39, 67, 87, 201, 377, 857, 871, 1131, 1943, 2571, 2613, 5829, 11141, 24853, 25259, 33423, 57419, 74559, 75777, 172257, 323089, 746447, 969267, 1665151, 2239341, 4995453, 21646963, 64940889]

約数ペア:

[(1, 64940889), (3, 21646963), (13, 4995453), (29, 2239341), (39, 1665151), (67, 969267), (87, 746447), (201, 323089), (377, 172257), (857, 75777), (871, 74559), (1131, 57419), (1943, 33423), (2571, 25259), (2613, 24853), (5829, 11141)]