57680021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1499}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 69120000

約数和(自身を除く): 11439979

約数列:

[1, 7, 23, 161, 239, 1499, 1673, 5497, 10493, 34477, 38479, 241339, 358261, 2507827, 8240003, 57680021]

約数ペア:

[(1, 57680021), (7, 8240003), (23, 2507827), (161, 358261), (239, 241339), (1499, 38479), (1673, 34477), (5497, 10493)]