221560286689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{17419631}}^1$

素因数の和:17419740

約数の個数: 16

約数和(自身を含む): 267565547520

約数和(自身を除く): 46005260831

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 17419631, 121937417, 400651513, 1376150849, 2804560591, 9633055943, 31651469527, 221560286689]

約数ペア:

[(1, 221560286689), (7, 31651469527), (23, 9633055943), (79, 2804560591), (161, 1376150849), (553, 400651513), (1817, 121937417), (12719, 17419631)]