66742907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27961}}^1$

素因数の和:28010

約数の個数: 16

約数和(自身を含む): 85899264

約数和(自身を除く): 19156357

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 27961, 195727, 307571, 866791, 2152997, 6067537, 9534701, 66742907]

約数ペア:

[(1, 66742907), (7, 9534701), (11, 6067537), (31, 2152997), (77, 866791), (217, 307571), (341, 195727), (2387, 27961)]