2009574007

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{21493}}^1$

素因数の和:21575

約数の個数: 24

約数和(自身を含む): 2489521056

約数和(自身を除く): 479947049

約数列:

[1, 7, 19, 37, 133, 259, 361, 703, 2527, 4921, 13357, 21493, 93499, 150451, 408367, 795241, 2858569, 5566687, 7758973, 15109579, 54312811, 105767053, 287082001, 2009574007]

約数ペア:

[(1, 2009574007), (7, 287082001), (19, 105767053), (37, 54312811), (133, 15109579), (259, 7758973), (361, 5566687), (703, 2858569), (2527, 795241), (4921, 408367), (13357, 150451), (21493, 93499)]