26890265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{691}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 33249216

約数和(自身を除く): 6358951

約数列:

[1, 5, 43, 181, 215, 691, 905, 3455, 7783, 29713, 38915, 125071, 148565, 625355, 5378053, 26890265]

約数ペア:

[(1, 26890265), (5, 5378053), (43, 625355), (181, 148565), (215, 125071), (691, 38915), (905, 29713), (3455, 7783)]