69915979

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 82551040

約数和(自身を除く): 12635061

約数列:

[1, 7, 43, 109, 301, 763, 2131, 4687, 14917, 32809, 91633, 232279, 641431, 1625953, 9987997, 69915979]

約数ペア:

[(1, 69915979), (7, 9987997), (43, 1625953), (109, 641431), (301, 232279), (763, 91633), (2131, 32809), (4687, 14917)]