28915393

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 33625152

約数和(自身を除く): 4709759

約数列:

[1, 13, 23, 43, 169, 173, 299, 559, 989, 2249, 3887, 3979, 7267, 7439, 12857, 29237, 51727, 96707, 167141, 171097, 672451, 1257191, 2224261, 28915393]

約数ペア:

[(1, 28915393), (13, 2224261), (23, 1257191), (43, 672451), (169, 171097), (173, 167141), (299, 96707), (559, 51727), (989, 29237), (2249, 12857), (3887, 7439), (3979, 7267)]