51239045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71663}}^1$

素因数の和:71692

約数の個数: 16

約数和(自身を含む): 72237312

約数和(自身を除く): 20998267

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 71663, 358315, 788293, 931619, 3941465, 4658095, 10247809, 51239045]

約数ペア:

[(1, 51239045), (5, 10247809), (11, 4658095), (13, 3941465), (55, 931619), (65, 788293), (143, 358315), (715, 71663)]