81764305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 37986095

約数列:

[1, 5, 7, 17, 35, 85, 119, 131, 595, 655, 917, 1049, 2227, 4585, 5245, 7343, 11135, 15589, 17833, 36715, 77945, 89165, 124831, 137419, 624155, 687095, 961933, 2336123, 4809665, 11680615, 16352861, 81764305]

約数ペア:

[(1, 81764305), (5, 16352861), (7, 11680615), (17, 4809665), (35, 2336123), (85, 961933), (119, 687095), (131, 624155), (595, 137419), (655, 124831), (917, 89165), (1049, 77945), (2227, 36715), (4585, 17833), (5245, 15589), (7343, 11135)]