75990178

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3109}}^1$

素因数の和:3234

約数の個数: 24

約数和(自身を含む): 126570780

約数和(自身を除く): 50580602

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3109, 6218, 12221, 24442, 34199, 68398, 314009, 376189, 628018, 752378, 3454099, 6908198, 37995089, 75990178]

約数ペア:

[(1, 75990178), (2, 37995089), (11, 6908198), (22, 3454099), (101, 752378), (121, 628018), (202, 376189), (242, 314009), (1111, 68398), (2222, 34199), (3109, 24442), (6218, 12221)]