28291219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 32705280

約数和(自身を除く): 4414061

約数列:

[1, 11, 23, 67, 253, 737, 1541, 1669, 16951, 18359, 38387, 111823, 422257, 1230053, 2571929, 28291219]

約数ペア:

[(1, 28291219), (11, 2571929), (23, 1230053), (67, 422257), (253, 111823), (737, 38387), (1541, 18359), (1669, 16951)]