208422431

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1657}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 258568416

約数和(自身を除く): 50145985

約数列:

[1, 7, 17, 49, 119, 151, 833, 1057, 1657, 2567, 7399, 11599, 17969, 28169, 81193, 125783, 197183, 250207, 1380281, 1751449, 4253519, 12260143, 29774633, 208422431]

約数ペア:

[(1, 208422431), (7, 29774633), (17, 12260143), (49, 4253519), (119, 1751449), (151, 1380281), (833, 250207), (1057, 197183), (1657, 125783), (2567, 81193), (7399, 28169), (11599, 17969)]