68820158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{44059}}^1$

素因数の和:44143

約数の個数: 16

約数和(自身を含む): 114203520

約数和(自身を除く): 45383362

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 44059, 88118, 484649, 969298, 3128189, 6256378, 34410079, 68820158]

約数ペア:

[(1, 68820158), (2, 34410079), (11, 6256378), (22, 3128189), (71, 969298), (142, 484649), (781, 88118), (1562, 44059)]