28399888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161363}}^1$

素因数の和:161382

約数の個数: 20

約数和(自身を含む): 60027408

約数和(自身を除く): 31627520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161363, 322726, 645452, 1290904, 1774993, 2581808, 3549986, 7099972, 14199944, 28399888]

約数ペア:

[(1, 28399888), (2, 14199944), (4, 7099972), (8, 3549986), (11, 2581808), (16, 1774993), (22, 1290904), (44, 645452), (88, 322726), (176, 161363)]