28538209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{937}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 34518400

約数和(自身を除く): 5980191

約数列:

[1, 7, 19, 133, 229, 937, 1603, 4351, 6559, 17803, 30457, 124621, 214573, 1502011, 4076887, 28538209]

約数ペア:

[(1, 28538209), (7, 4076887), (19, 1502011), (133, 214573), (229, 124621), (937, 30457), (1603, 17803), (4351, 6559)]