261256555931

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{8167}}^1\times {\mathrm{12659}}^1$

素因数の和:20871

約数の個数: 24

約数和(自身を含む): 315184170240

約数和(自身を除く): 53927614309

約数列:

[1, 7, 19, 133, 361, 2527, 8167, 12659, 57169, 88613, 155173, 240521, 1086211, 1683647, 2948287, 4569899, 20638009, 31989293, 103386053, 723702371, 1964335007, 13750345049, 37322365133, 261256555931]

約数ペア:

[(1, 261256555931), (7, 37322365133), (19, 13750345049), (133, 1964335007), (361, 723702371), (2527, 103386053), (8167, 31989293), (12659, 20638009), (57169, 4569899), (88613, 2948287), (155173, 1683647), (240521, 1086211)]