64972999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 85800960

約数和(自身を除く): 20827961

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 299, 481, 839, 851, 2093, 3367, 5873, 5957, 10907, 11063, 19297, 31043, 76349, 77441, 135079, 217301, 250861, 403559, 713989, 1756027, 2824913, 4997923, 9281857, 64972999]

約数ペア:

[(1, 64972999), (7, 9281857), (13, 4997923), (23, 2824913), (37, 1756027), (91, 713989), (161, 403559), (259, 250861), (299, 217301), (481, 135079), (839, 77441), (851, 76349), (2093, 31043), (3367, 19297), (5873, 11063), (5957, 10907)]