139922972

素因数分解:

$2^2\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{4001}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 280140000

約数和(自身を除く): 140217028

約数列:

[1, 2, 4, 7, 14, 28, 1249, 2498, 4001, 4996, 8002, 8743, 16004, 17486, 28007, 34972, 56014, 112028, 4997249, 9994498, 19988996, 34980743, 69961486, 139922972]

約数ペア:

[(1, 139922972), (2, 69961486), (4, 34980743), (7, 19988996), (14, 9994498), (28, 4997249), (1249, 112028), (2498, 56014), (4001, 34972), (4996, 28007), (8002, 17486), (8743, 16004)]