31319218

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17077}}^1$

素因数の和:17217

約数の個数: 16

約数和(自身を含む): 54103104

約数和(自身を除く): 22783886

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 17077, 34154, 119539, 239078, 2237087, 4474174, 15659609, 31319218]

約数ペア:

[(1, 31319218), (2, 15659609), (7, 4474174), (14, 2237087), (131, 239078), (262, 119539), (917, 34154), (1834, 17077)]