81901655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{51349}}^1$

素因数の和:51394

約数の個数: 16

約数和(自身を含む): 110916000

約数和(自身を除く): 29014345

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 51349, 256745, 564839, 1489121, 2824195, 7445605, 16380331, 81901655]

約数ペア:

[(1, 81901655), (5, 16380331), (11, 7445605), (29, 2824195), (55, 1489121), (145, 564839), (319, 256745), (1595, 51349)]