85857919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2707}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 102947328

約数和(自身を除く): 17089409

約数列:

[1, 7, 23, 161, 197, 1379, 2707, 4531, 18949, 31717, 62261, 435827, 533279, 3732953, 12265417, 85857919]

約数ペア:

[(1, 85857919), (7, 12265417), (23, 3732953), (161, 533279), (197, 435827), (1379, 62261), (2707, 31717), (4531, 18949)]