389627405

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1\times {\mathrm{839}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 472348800

約数和(自身を除く): 82721395

約数列:

[1, 5, 131, 655, 709, 839, 3545, 4195, 92879, 109909, 464395, 549545, 594851, 2974255, 77925481, 389627405]

約数ペア:

[(1, 389627405), (5, 77925481), (131, 2974255), (655, 594851), (709, 549545), (839, 464395), (3545, 109909), (4195, 92879)]