4390945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 5810112

約数和(自身を除く): 1419167

約数列:

[1, 5, 13, 43, 65, 215, 559, 1571, 2795, 7855, 20423, 67553, 102115, 337765, 878189, 4390945]

約数ペア:

[(1, 4390945), (5, 878189), (13, 337765), (43, 102115), (65, 67553), (215, 20423), (559, 7855), (1571, 2795)]