2220199177

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{320699}}^1$

素因数の和:320772

約数の個数: 16

約数和(自身を含む): 2709273600

約数和(自身を除く): 489074423

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 320699, 2244893, 7376077, 13790057, 51632539, 96530399, 317171311, 2220199177]

約数ペア:

[(1, 2220199177), (7, 317171311), (23, 96530399), (43, 51632539), (161, 13790057), (301, 7376077), (989, 2244893), (6923, 320699)]