71320529

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 85494528

約数和(自身を除く): 14173999

約数列:

[1, 7, 49, 61, 107, 223, 427, 749, 1561, 2989, 5243, 6527, 10927, 13603, 23861, 45689, 95221, 167027, 319823, 666547, 1169189, 1455521, 10188647, 71320529]

約数ペア:

[(1, 71320529), (7, 10188647), (49, 1455521), (61, 1169189), (107, 666547), (223, 319823), (427, 167027), (749, 95221), (1561, 45689), (2989, 23861), (5243, 13603), (6527, 10927)]