28222271

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1171}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 35328768

約数和(自身を除く): 7106497

約数列:

[1, 7, 11, 77, 313, 1171, 2191, 3443, 8197, 12881, 24101, 90167, 366523, 2565661, 4031753, 28222271]

約数ペア:

[(1, 28222271), (7, 4031753), (11, 2565661), (77, 366523), (313, 90167), (1171, 24101), (2191, 12881), (3443, 8197)]