128392578

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{310127}}^1$

素因数の和:310158

約数の個数: 24

約数和(自身を含む): 290279808

約数和(自身を除く): 161887230

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 310127, 620254, 930381, 1860762, 2791143, 5582286, 7132921, 14265842, 21398763, 42797526, 64196289, 128392578]

約数ペア:

[(1, 128392578), (2, 64196289), (3, 42797526), (6, 21398763), (9, 14265842), (18, 7132921), (23, 5582286), (46, 2791143), (69, 1860762), (138, 930381), (207, 620254), (414, 310127)]