289311748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{16903}}^1$

素因数の和:17307

約数の個数: 24

約数和(自身を含む): 553775040

約数和(自身を除く): 264463292

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 16903, 17116, 33806, 67612, 185933, 371866, 743732, 6575267, 13150534, 26301068, 72327937, 144655874, 289311748]

約数ペア:

[(1, 289311748), (2, 144655874), (4, 72327937), (11, 26301068), (22, 13150534), (44, 6575267), (389, 743732), (778, 371866), (1556, 185933), (4279, 67612), (8558, 33806), (16903, 17116)]