219612211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 283788288

約数和(自身を除く): 64176077

約数列:

[1, 7, 13, 23, 91, 161, 299, 317, 331, 2093, 2219, 2317, 4121, 4303, 7291, 7613, 28847, 30121, 51037, 53291, 94783, 98969, 104927, 663481, 692783, 734489, 1364051, 2413321, 9548357, 16893247, 31373173, 219612211]

約数ペア:

[(1, 219612211), (7, 31373173), (13, 16893247), (23, 9548357), (91, 2413321), (161, 1364051), (299, 734489), (317, 692783), (331, 663481), (2093, 104927), (2219, 98969), (2317, 94783), (4121, 53291), (4303, 51037), (7291, 30121), (7613, 28847)]