421718405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1\times {\mathrm{2543}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 536315904

約数和(自身を除く): 114597499

約数列:

[1, 5, 17, 85, 1951, 2543, 9755, 12715, 33167, 43231, 165835, 216155, 4961393, 24806965, 84343681, 421718405]

約数ペア:

[(1, 421718405), (5, 84343681), (17, 24806965), (85, 4961393), (1951, 216155), (2543, 165835), (9755, 43231), (12715, 33167)]