1388791888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{343081}}^1$

素因数の和:343123

約数の個数: 40

約数和(自身を含む): 3063036096

約数和(自身を除く): 1674244208

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 343081, 686162, 1372324, 2744648, 3773891, 5489296, 7547782, 7890863, 15095564, 15781726, 30191128, 31563452, 60382256, 63126904, 86799493, 126253808, 173598986, 347197972, 694395944, 1388791888]

約数ペア:

[(1, 1388791888), (2, 694395944), (4, 347197972), (8, 173598986), (11, 126253808), (16, 86799493), (22, 63126904), (23, 60382256), (44, 31563452), (46, 30191128), (88, 15781726), (92, 15095564), (176, 7890863), (184, 7547782), (253, 5489296), (368, 3773891), (506, 2744648), (1012, 1372324), (2024, 686162), (4048, 343081)]