390947039

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 465120000

約数和(自身を除く): 74172961

約数列:

[1, 7, 49, 59, 271, 413, 499, 1897, 2891, 3493, 13279, 15989, 24451, 29441, 111923, 135229, 206087, 783461, 946603, 1442609, 6626221, 7978511, 55849577, 390947039]

約数ペア:

[(1, 390947039), (7, 55849577), (49, 7978511), (59, 6626221), (271, 1442609), (413, 946603), (499, 783461), (1897, 206087), (2891, 135229), (3493, 111923), (13279, 29441), (15989, 24451)]