78840223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{33029}}^1$

素因数の和:33078

約数の個数: 16

約数和(自身を含む): 101468160

約数和(自身を除く): 22627937

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 33029, 231203, 363319, 1023899, 2543233, 7167293, 11262889, 78840223]

約数ペア:

[(1, 78840223), (7, 11262889), (11, 7167293), (31, 2543233), (77, 1023899), (217, 363319), (341, 231203), (2387, 33029)]