87978308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{11047}}^1$

素因数の和:11243

約数の個数: 24

約数和(自身を含む): 168901824

約数和(自身を除く): 80923516

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 11047, 22094, 44188, 121517, 243034, 486068, 1999507, 3999014, 7998028, 21994577, 43989154, 87978308]

約数ペア:

[(1, 87978308), (2, 43989154), (4, 21994577), (11, 7998028), (22, 3999014), (44, 1999507), (181, 486068), (362, 243034), (724, 121517), (1991, 44188), (3982, 22094), (7964, 11047)]