394414271

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 417435648

約数和(自身を除く): 23021377

約数列:

[1, 31, 47, 421, 643, 1457, 13051, 19787, 19933, 30221, 270703, 613397, 936851, 8391793, 12723041, 394414271]

約数ペア:

[(1, 394414271), (31, 12723041), (47, 8391793), (421, 936851), (643, 613397), (1457, 270703), (13051, 30221), (19787, 19933)]