520470209

素因数分解:

$7^2\times {\mathrm{1741}}^1\times {\mathrm{6101}}^1$

素因数の和:7856

約数の個数: 12

約数和(自身を含む): 605891988

約数和(自身を除く): 85421779

約数列:

[1, 7, 49, 1741, 6101, 12187, 42707, 85309, 298949, 10621841, 74352887, 520470209]

約数ペア:

[(1, 520470209), (7, 74352887), (49, 10621841), (1741, 298949), (6101, 85309), (12187, 42707)]