647693874

素因数分解:

$2^1\times 3^3\times {\mathrm{11994331}}^1$

素因数の和:11994342

約数の個数: 16

約数和(自身を含む): 1439319840

約数和(自身を除く): 791625966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11994331, 23988662, 35982993, 71965986, 107948979, 215897958, 323846937, 647693874]

約数ペア:

[(1, 647693874), (2, 323846937), (3, 215897958), (6, 107948979), (9, 71965986), (18, 35982993), (27, 23988662), (54, 11994331)]