51639445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72223}}^1$

素因数の和:72252

約数の個数: 16

約数和(自身を含む): 72801792

約数和(自身を除く): 21162347

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 72223, 361115, 794453, 938899, 3972265, 4694495, 10327889, 51639445]

約数ペア:

[(1, 51639445), (5, 10327889), (11, 4694495), (13, 3972265), (55, 938899), (65, 794453), (143, 361115), (715, 72223)]