9991355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3079}}^1$

素因数の和:3154

約数の個数: 16

約数和(自身を含む): 13305600

約数和(自身を除く): 3314245

約数列:

[1, 5, 11, 55, 59, 295, 649, 3079, 3245, 15395, 33869, 169345, 181661, 908305, 1998271, 9991355]

約数ペア:

[(1, 9991355), (5, 1998271), (11, 908305), (55, 181661), (59, 169345), (295, 33869), (649, 15395), (3079, 3245)]