205170812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{666139}}^1$

素因数の和:666161

約数の個数: 24

約数和(自身を含む): 447646080

約数和(自身を除く): 242475268

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 666139, 1332278, 2664556, 4662973, 7327529, 9325946, 14655058, 18651892, 29310116, 51292703, 102585406, 205170812]

約数ペア:

[(1, 205170812), (2, 102585406), (4, 51292703), (7, 29310116), (11, 18651892), (14, 14655058), (22, 9325946), (28, 7327529), (44, 4662973), (77, 2664556), (154, 1332278), (308, 666139)]