81131902

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{8863}}^1$

素因数の和:9087

約数の個数: 16

約数和(自身を含む): 127641600

約数和(自身を除く): 46509698

約数列:

[1, 2, 23, 46, 199, 398, 4577, 8863, 9154, 17726, 203849, 407698, 1763737, 3527474, 40565951, 81131902]

約数ペア:

[(1, 81131902), (2, 40565951), (23, 3527474), (46, 1763737), (199, 407698), (398, 203849), (4577, 17726), (8863, 9154)]