87945215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{10771}}^1$

素因数の和:10870

約数の個数: 16

約数和(自身を含む): 111684096

約数和(自身を除く): 23738881

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 10771, 53855, 247733, 764741, 1238665, 3823705, 17589043, 87945215]

約数ペア:

[(1, 87945215), (5, 17589043), (23, 3823705), (71, 1238665), (115, 764741), (355, 247733), (1633, 53855), (8165, 10771)]