16616621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 20204160

約数和(自身を除く): 3587539

約数列:

[1, 7, 19, 101, 133, 707, 1237, 1919, 8659, 13433, 23503, 124937, 164521, 874559, 2373803, 16616621]

約数ペア:

[(1, 16616621), (7, 2373803), (19, 874559), (101, 164521), (133, 124937), (707, 23503), (1237, 13433), (1919, 8659)]