209519519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{9803}}^1$

素因数の和:9910

約数の個数: 16

約数和(自身を含む): 240001920

約数和(自身を除く): 30482401

約数列:

[1, 11, 29, 67, 319, 737, 1943, 9803, 21373, 107833, 284287, 656801, 3127157, 7224811, 19047229, 209519519]

約数ペア:

[(1, 209519519), (11, 19047229), (29, 7224811), (67, 3127157), (319, 656801), (737, 284287), (1943, 107833), (9803, 21373)]