25821803

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 4971157

約数列:

[1, 7, 29, 131, 203, 917, 971, 3799, 6797, 26593, 28159, 127201, 197113, 890407, 3688829, 25821803]

約数ペア:

[(1, 25821803), (7, 3688829), (29, 890407), (131, 197113), (203, 127201), (917, 28159), (971, 26593), (3799, 6797)]