81554345

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 99517440

約数和(自身を除く): 17963095

約数列:

[1, 5, 109, 151, 545, 755, 991, 4955, 16459, 82295, 108019, 149641, 540095, 748205, 16310869, 81554345]

約数ペア:

[(1, 81554345), (5, 16310869), (109, 748205), (151, 540095), (545, 149641), (755, 108019), (991, 82295), (4955, 16459)]