71398957

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 84700800

約数和(自身を除く): 13301843

約数列:

[1, 7, 29, 203, 509, 691, 3563, 4837, 14761, 20039, 103327, 140273, 351719, 2462033, 10199851, 71398957]

約数ペア:

[(1, 71398957), (7, 10199851), (29, 2462033), (203, 351719), (509, 140273), (691, 103327), (3563, 20039), (4837, 14761)]