2788247

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{739}}^1$

素因数の和:771

約数の個数: 16

約数和(自身を含む): 3552000

約数和(自身を除く): 763753

約数列:

[1, 7, 11, 49, 77, 343, 539, 739, 3773, 5173, 8129, 36211, 56903, 253477, 398321, 2788247]

約数ペア:

[(1, 2788247), (7, 398321), (11, 253477), (49, 56903), (77, 36211), (343, 8129), (539, 5173), (739, 3773)]