64812545

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 91229184

約数和(自身を除く): 26416639

約数列:

[1, 5, 7, 35, 49, 127, 245, 635, 889, 2083, 4445, 6223, 10415, 14581, 31115, 72905, 102067, 264541, 510335, 1322705, 1851787, 9258935, 12962509, 64812545]

約数ペア:

[(1, 64812545), (5, 12962509), (7, 9258935), (35, 1851787), (49, 1322705), (127, 510335), (245, 264541), (635, 102067), (889, 72905), (2083, 31115), (4445, 14581), (6223, 10415)]