71673145

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 87505920

約数和(自身を除く): 15832775

約数列:

[1, 5, 79, 395, 421, 431, 2105, 2155, 33259, 34049, 166295, 170245, 181451, 907255, 14334629, 71673145]

約数ペア:

[(1, 71673145), (5, 14334629), (79, 907255), (395, 181451), (421, 170245), (431, 166295), (2105, 34049), (2155, 33259)]