28027307

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2011}}^1$

素因数の和:2210

約数の個数: 16

約数和(自身を含む): 35153664

約数和(自身を除く): 7126357

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 2011, 13937, 14077, 22121, 154847, 363991, 2547937, 4003901, 28027307]

約数ペア:

[(1, 28027307), (7, 4003901), (11, 2547937), (77, 363991), (181, 154847), (1267, 22121), (1991, 14077), (2011, 13937)]