64576985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 25002535

約数列:

[1, 5, 11, 23, 55, 71, 115, 253, 355, 719, 781, 1265, 1633, 3595, 3905, 7909, 8165, 16537, 17963, 39545, 51049, 82685, 89815, 181907, 255245, 561539, 909535, 1174127, 2807695, 5870635, 12915397, 64576985]

約数ペア:

[(1, 64576985), (5, 12915397), (11, 5870635), (23, 2807695), (55, 1174127), (71, 909535), (115, 561539), (253, 255245), (355, 181907), (719, 89815), (781, 82685), (1265, 51049), (1633, 39545), (3595, 17963), (3905, 16537), (7909, 8165)]