199376639

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{7549}}^1$

素因数の和:7588

約数の個数: 20

約数和(自身を含む): 253770600

約数和(自身を除く): 54393961

約数列:

[1, 7, 11, 49, 77, 343, 539, 2401, 3773, 7549, 26411, 52843, 83039, 369901, 581273, 2589307, 4068911, 18125149, 28482377, 199376639]

約数ペア:

[(1, 199376639), (7, 28482377), (11, 18125149), (49, 4068911), (77, 2589307), (343, 581273), (539, 369901), (2401, 83039), (3773, 52843), (7549, 26411)]