257477248509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149953}}^1\times {\mathrm{44027}}^1$

素因数の和:193996

約数の個数: 16

約数和(自身を含む): 369721783872

約数和(自身を除く): 112244535363

約数列:

[1, 3, 13, 39, 44027, 132081, 149953, 449859, 572351, 1717053, 1949389, 5848167, 6601980731, 19805942193, 85825749503, 257477248509]

約数ペア:

[(1, 257477248509), (3, 85825749503), (13, 19805942193), (39, 6601980731), (44027, 5848167), (132081, 1949389), (149953, 1717053), (449859, 572351)]