66508729

素因数分解:

$7^3\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2117

約数の個数: 16

約数和(自身を含む): 78400000

約数和(自身を除く): 11891271

約数列:

[1, 7, 49, 97, 343, 679, 1999, 4753, 13993, 33271, 97951, 193903, 685657, 1357321, 9501247, 66508729]

約数ペア:

[(1, 66508729), (7, 9501247), (49, 1357321), (97, 685657), (343, 193903), (679, 97951), (1999, 33271), (4753, 13993)]