28731026

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:977

約数の個数: 16

約数和(自身を含む): 43787328

約数和(自身を除く): 15056302

約数列:

[1, 2, 103, 206, 211, 422, 661, 1322, 21733, 43466, 68083, 136166, 139471, 278942, 14365513, 28731026]

約数ペア:

[(1, 28731026), (2, 14365513), (103, 278942), (206, 139471), (211, 136166), (422, 68083), (661, 43466), (1322, 21733)]