1999091381

素因数分解:

$7^1\times {\mathrm{331}}^1\times {\mathrm{557}}^1\times {\mathrm{1549}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 2297174400

約数和(自身を除く): 298083019

約数列:

[1, 7, 331, 557, 1549, 2317, 3899, 10843, 184367, 512719, 862793, 1290569, 3589033, 6039551, 285584483, 1999091381]

約数ペア:

[(1, 1999091381), (7, 285584483), (331, 6039551), (557, 3589033), (1549, 1290569), (2317, 862793), (3899, 512719), (10843, 184367)]