258865919

素因数分解:

${\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 308448000

約数和(自身を除く): 49582081

約数列:

[1, 13, 17, 29, 169, 221, 239, 377, 493, 2197, 2873, 3107, 4063, 4901, 6409, 6931, 37349, 40391, 52819, 63713, 83317, 90103, 117827, 525083, 686647, 1083121, 1171339, 1531751, 8926411, 15227407, 19912763, 258865919]

約数ペア:

[(1, 258865919), (13, 19912763), (17, 15227407), (29, 8926411), (169, 1531751), (221, 1171339), (239, 1083121), (377, 686647), (493, 525083), (2197, 117827), (2873, 90103), (3107, 83317), (4063, 63713), (4901, 52819), (6409, 40391), (6931, 37349)]