197895047

素因数分解:

$7^1\times {\mathrm{1321}}^1\times {\mathrm{21401}}^1$

素因数の和:22729

約数の個数: 8

約数和(自身を含む): 226347552

約数和(自身を除く): 28452505

約数列:

[1, 7, 1321, 9247, 21401, 149807, 28270721, 197895047]

約数ペア:

[(1, 197895047), (7, 28270721), (1321, 149807), (9247, 21401)]