28400724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71719}}^1$

素因数の和:71740

約数の個数: 36

約数和(自身を含む): 78318240

約数和(自身を除く): 49917516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 71719, 143438, 215157, 286876, 430314, 645471, 788909, 860628, 1290942, 1577818, 2366727, 2581884, 3155636, 4733454, 7100181, 9466908, 14200362, 28400724]

約数ペア:

[(1, 28400724), (2, 14200362), (3, 9466908), (4, 7100181), (6, 4733454), (9, 3155636), (11, 2581884), (12, 2366727), (18, 1577818), (22, 1290942), (33, 860628), (36, 788909), (44, 645471), (66, 430314), (99, 286876), (132, 215157), (198, 143438), (396, 71719)]