39278057

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 49613256

約数和(自身を除く): 10335199

約数列:

[1, 7, 13, 49, 91, 197, 313, 637, 1379, 2191, 2561, 4069, 9653, 15337, 17927, 28483, 61661, 125489, 199381, 431627, 801593, 3021389, 5611151, 39278057]

約数ペア:

[(1, 39278057), (7, 5611151), (13, 3021389), (49, 801593), (91, 431627), (197, 199381), (313, 125489), (637, 61661), (1379, 28483), (2191, 17927), (2561, 15337), (4069, 9653)]