256491519

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{13099}}^1$

素因数の和:13270

約数の個数: 16

約数和(自身を含む): 350870400

約数和(自身を除く): 94378881

約数列:

[1, 3, 61, 107, 183, 321, 6527, 13099, 19581, 39297, 799039, 1401593, 2397117, 4204779, 85497173, 256491519]

約数ペア:

[(1, 256491519), (3, 85497173), (61, 4204779), (107, 2397117), (183, 1401593), (321, 799039), (6527, 39297), (13099, 19581)]