38439755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 12363445

約数列:

[1, 5, 19, 41, 71, 95, 139, 205, 355, 695, 779, 1349, 2641, 2911, 3895, 5699, 6745, 9869, 13205, 14555, 28495, 49345, 55309, 108281, 187511, 276545, 404629, 541405, 937555, 2023145, 7687951, 38439755]

約数ペア:

[(1, 38439755), (5, 7687951), (19, 2023145), (41, 937555), (71, 541405), (95, 404629), (139, 276545), (205, 187511), (355, 108281), (695, 55309), (779, 49345), (1349, 28495), (2641, 14555), (2911, 13205), (3895, 9869), (5699, 6745)]