81558268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26107}}^1$

素因数の和:26193

約数の個数: 24

約数和(自身を含む): 157901184

約数和(自身を除く): 76342916

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 26107, 52214, 104428, 287177, 574354, 1148708, 1853597, 3707194, 7414388, 20389567, 40779134, 81558268]

約数ペア:

[(1, 81558268), (2, 40779134), (4, 20389567), (11, 7414388), (22, 3707194), (44, 1853597), (71, 1148708), (142, 574354), (284, 287177), (781, 104428), (1562, 52214), (3124, 26107)]