28262395

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 12034565

約数列:

[1, 5, 7, 35, 43, 89, 211, 215, 301, 445, 623, 1055, 1477, 1505, 3115, 3827, 7385, 9073, 18779, 19135, 26789, 45365, 63511, 93895, 131453, 133945, 317555, 657265, 807497, 4037485, 5652479, 28262395]

約数ペア:

[(1, 28262395), (5, 5652479), (7, 4037485), (35, 807497), (43, 657265), (89, 317555), (211, 133945), (215, 131453), (301, 93895), (445, 63511), (623, 45365), (1055, 26789), (1477, 19135), (1505, 18779), (3115, 9073), (3827, 7385)]