128907002

素因数分解:

$2^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{20507}}^1$

素因数の和:20965

約数の個数: 16

約数和(自身を含む): 221486400

約数和(自身を除く): 92579398

約数列:

[1, 2, 7, 14, 449, 898, 3143, 6286, 20507, 41014, 143549, 287098, 9207643, 18415286, 64453501, 128907002]

約数ペア:

[(1, 128907002), (2, 64453501), (7, 18415286), (14, 9207643), (449, 287098), (898, 143549), (3143, 41014), (6286, 20507)]