2097153989

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{995327}}^1$

素因数の和:995384

約数の個数: 12

約数和(自身を含む): 2496282624

約数和(自身を除く): 399128635

約数列:

[1, 7, 43, 49, 301, 2107, 995327, 6967289, 42799061, 48771023, 299593427, 2097153989]

約数ペア:

[(1, 2097153989), (7, 299593427), (43, 48771023), (49, 42799061), (301, 6967289), (2107, 995327)]