208173845

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 275993088

約数和(自身を除く): 67819243

約数列:

[1, 5, 11, 55, 121, 223, 605, 1115, 1543, 2453, 7715, 12265, 16973, 26983, 84865, 134915, 186703, 344089, 933515, 1720445, 3784979, 18924895, 41634769, 208173845]

約数ペア:

[(1, 208173845), (5, 41634769), (11, 18924895), (55, 3784979), (121, 1720445), (223, 933515), (605, 344089), (1115, 186703), (1543, 134915), (2453, 84865), (7715, 26983), (12265, 16973)]