31189805

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 38121600

約数和(自身を除く): 6931795

約数列:

[1, 5, 109, 151, 379, 545, 755, 1895, 16459, 41311, 57229, 82295, 206555, 286145, 6237961, 31189805]

約数ペア:

[(1, 31189805), (5, 6237961), (109, 286145), (151, 206555), (379, 82295), (545, 57229), (755, 41311), (1895, 16459)]