216996857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1709}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 289578240

約数和(自身を除く): 72581383

約数列:

[1, 7, 11, 17, 77, 97, 119, 187, 679, 1067, 1309, 1649, 1709, 7469, 11543, 11963, 18139, 18799, 29053, 126973, 131593, 165773, 203371, 319583, 1160411, 1823503, 2237081, 2818141, 12764521, 19726987, 30999551, 216996857]

約数ペア:

[(1, 216996857), (7, 30999551), (11, 19726987), (17, 12764521), (77, 2818141), (97, 2237081), (119, 1823503), (187, 1160411), (679, 319583), (1067, 203371), (1309, 165773), (1649, 131593), (1709, 126973), (7469, 29053), (11543, 18799), (11963, 18139)]