28318724

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1987}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 56777280

約数和(自身を除く): 28458556

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 1987, 2036, 3563, 3974, 7126, 7948, 13909, 14252, 27818, 55636, 1011383, 2022766, 4045532, 7079681, 14159362, 28318724]

約数ペア:

[(1, 28318724), (2, 14159362), (4, 7079681), (7, 4045532), (14, 2022766), (28, 1011383), (509, 55636), (1018, 27818), (1987, 14252), (2036, 13909), (3563, 7948), (3974, 7126)]