31342405

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 38332800

約数和(自身を除く): 6990395

約数列:

[1, 5, 109, 131, 439, 545, 655, 2195, 14279, 47851, 57509, 71395, 239255, 287545, 6268481, 31342405]

約数ペア:

[(1, 31342405), (5, 6268481), (109, 287545), (131, 239255), (439, 71395), (545, 57509), (655, 47851), (2195, 14279)]