123896278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79319}}^1$

素因数の和:79403

約数の個数: 16

約数和(自身を含む): 205597440

約数和(自身を除く): 81701162

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 79319, 158638, 872509, 1745018, 5631649, 11263298, 61948139, 123896278]

約数ペア:

[(1, 123896278), (2, 61948139), (11, 11263298), (22, 5631649), (71, 1745018), (142, 872509), (781, 158638), (1562, 79319)]