128202221

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{7219}}^1$

素因数の和:7328

約数の個数: 16

約数和(自身を含む): 152486400

約数和(自身を除く): 24284179

約数列:

[1, 7, 43, 59, 301, 413, 2537, 7219, 17759, 50533, 310417, 425921, 2172919, 2981447, 18314603, 128202221]

約数ペア:

[(1, 128202221), (7, 18314603), (43, 2981447), (59, 2172919), (301, 425921), (413, 310417), (2537, 50533), (7219, 17759)]