1291296251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{177889}}^1$

素因数の和:177974

約数の個数: 16

約数和(自身を含む): 1588201920

約数和(自身を除く): 296905669

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 177889, 1245223, 3024113, 10851229, 21168791, 75958603, 184470893, 1291296251]

約数ペア:

[(1, 1291296251), (7, 184470893), (17, 75958603), (61, 21168791), (119, 10851229), (427, 3024113), (1037, 1245223), (7259, 177889)]