221519095

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16187}}^1$

素因数の和:16239

約数の個数: 32

約数和(自身を含む): 335674368

約数和(自身を除く): 114155273

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 13685, 16187, 80935, 113309, 275179, 372301, 566545, 1375895, 1861505, 1926253, 2606107, 6329117, 9631265, 13030535, 31645585, 44303819, 221519095]

約数ペア:

[(1, 221519095), (5, 44303819), (7, 31645585), (17, 13030535), (23, 9631265), (35, 6329117), (85, 2606107), (115, 1926253), (119, 1861505), (161, 1375895), (391, 566545), (595, 372301), (805, 275179), (1955, 113309), (2737, 80935), (13685, 16187)]