81787609

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 90362880

約数和(自身を除く): 8575271

約数列:

[1, 19, 23, 211, 437, 887, 4009, 4853, 16853, 20401, 92207, 187157, 387619, 3555983, 4304611, 81787609]

約数ペア:

[(1, 81787609), (19, 4304611), (23, 3555983), (211, 387619), (437, 187157), (887, 92207), (4009, 20401), (4853, 16853)]