257819569

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1129}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 331948800

約数和(自身を除く): 74129231

約数列:

[1, 7, 17, 19, 101, 119, 133, 323, 707, 1129, 1717, 1919, 2261, 7903, 12019, 13433, 19193, 21451, 32623, 114029, 134351, 150157, 228361, 364667, 798203, 1938493, 2166551, 2552669, 13569451, 15165857, 36831367, 257819569]

約数ペア:

[(1, 257819569), (7, 36831367), (17, 15165857), (19, 13569451), (101, 2552669), (119, 2166551), (133, 1938493), (323, 798203), (707, 364667), (1129, 228361), (1717, 150157), (1919, 134351), (2261, 114029), (7903, 32623), (12019, 21451), (13433, 19193)]