2163931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 2730240

約数和(自身を除く): 566309

約数列:

[1, 7, 11, 77, 157, 179, 1099, 1253, 1727, 1969, 12089, 13783, 28103, 196721, 309133, 2163931]

約数ペア:

[(1, 2163931), (7, 309133), (11, 196721), (77, 28103), (157, 13783), (179, 12089), (1099, 1969), (1253, 1727)]