217390706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{12923}}^1$

素因数の和:13585

約数の個数: 16

約数和(自身を含む): 351739584

約数和(自身を除く): 134348878

約数列:

[1, 2, 13, 26, 647, 1294, 8411, 12923, 16822, 25846, 167999, 335998, 8361181, 16722362, 108695353, 217390706]

約数ペア:

[(1, 217390706), (2, 108695353), (13, 16722362), (26, 8361181), (647, 335998), (1294, 167999), (8411, 25846), (12923, 16822)]