201581051

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 252902160

約数和(自身を除く): 51321109

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 2009, 5281, 5453, 36967, 38171, 100339, 216521, 258769, 702373, 1515647, 4113899, 4916611, 10609529, 28797293, 201581051]

約数ペア:

[(1, 201581051), (7, 28797293), (19, 10609529), (41, 4916611), (49, 4113899), (133, 1515647), (287, 702373), (779, 258769), (931, 216521), (2009, 100339), (5281, 38171), (5453, 36967)]