28186719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 14944161

約数列:

[1, 3, 11, 31, 33, 59, 93, 177, 341, 467, 649, 1023, 1401, 1829, 1947, 5137, 5487, 14477, 15411, 20119, 27553, 43431, 60357, 82659, 159247, 303083, 477741, 854143, 909249, 2562429, 9395573, 28186719]

約数ペア:

[(1, 28186719), (3, 9395573), (11, 2562429), (31, 909249), (33, 854143), (59, 477741), (93, 303083), (177, 159247), (341, 82659), (467, 60357), (649, 43431), (1023, 27553), (1401, 20119), (1829, 15411), (1947, 14477), (5137, 5487)]