2018876321

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{245039}}^1$

素因数の和:245164

約数の個数: 16

約数和(自身を含む): 2540574720

約数和(自身を除く): 521698399

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 245039, 1715273, 2695429, 18868003, 26219173, 183534211, 288410903, 2018876321]

約数ペア:

[(1, 2018876321), (7, 288410903), (11, 183534211), (77, 26219173), (107, 18868003), (749, 2695429), (1177, 1715273), (8239, 245039)]