2190979

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 470141

約数列:

[1, 7, 29, 43, 203, 251, 301, 1247, 1757, 7279, 8729, 10793, 50953, 75551, 312997, 2190979]

約数ペア:

[(1, 2190979), (7, 312997), (29, 75551), (43, 50953), (203, 10793), (251, 8729), (301, 7279), (1247, 1757)]