260727481

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4591}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 324562560

約数和(自身を除く): 63835079

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 2989, 4591, 8113, 32137, 56791, 87229, 224959, 280051, 610603, 1960357, 4274221, 5320969, 13722499, 37246783, 260727481]

約数ペア:

[(1, 260727481), (7, 37246783), (19, 13722499), (49, 5320969), (61, 4274221), (133, 1960357), (427, 610603), (931, 280051), (1159, 224959), (2989, 87229), (4591, 56791), (8113, 32137)]