16981390943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17971}}^1\times {\mathrm{85903}}^1$

素因数の和:103885

約数の個数: 8

約数和(自身を含む): 18526400256

約数和(自身を除く): 1545009313

約数列:

[1, 11, 17971, 85903, 197681, 944933, 1543762813, 16981390943]

約数ペア:

[(1, 16981390943), (11, 1543762813), (17971, 944933), (85903, 197681)]