28811618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{6581}}^1$

素因数の和:6793

約数の個数: 16

約数和(自身を含む): 47390400

約数和(自身を除く): 18578782

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 6581, 13162, 72391, 144782, 1309619, 2619238, 14405809, 28811618]

約数ペア:

[(1, 28811618), (2, 14405809), (11, 2619238), (22, 1309619), (199, 144782), (398, 72391), (2189, 13162), (4378, 6581)]