2077891921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{29399}}^1$

素因数の和:29868

約数の個数: 16

約数和(自身を含む): 2483712000

約数和(自身を除く): 405820079

約数列:

[1, 7, 23, 161, 439, 3073, 10097, 29399, 70679, 205793, 676177, 4733239, 12906161, 90343127, 296841703, 2077891921]

約数ペア:

[(1, 2077891921), (7, 296841703), (23, 90343127), (161, 12906161), (439, 4733239), (3073, 676177), (10097, 205793), (29399, 70679)]