220112851

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 261999360

約数和(自身を除く): 41886509

約数列:

[1, 7, 49, 71, 151, 419, 497, 1057, 2933, 3479, 7399, 10721, 20531, 29749, 63269, 75047, 208243, 442883, 525329, 1457701, 3100181, 4492099, 31444693, 220112851]

約数ペア:

[(1, 220112851), (7, 31444693), (49, 4492099), (71, 3100181), (151, 1457701), (419, 525329), (497, 442883), (1057, 208243), (2933, 75047), (3479, 63269), (7399, 29749), (10721, 20531)]