40521605

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 49379328

約数和(自身を除く): 8857723

約数列:

[1, 5, 151, 191, 281, 755, 955, 1405, 28841, 42431, 53671, 144205, 212155, 268355, 8104321, 40521605]

約数ペア:

[(1, 40521605), (5, 8104321), (151, 268355), (191, 212155), (281, 144205), (755, 53671), (955, 42431), (1405, 28841)]