28751219

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4226

約数の個数: 16

約数和(自身を含む): 35092992

約数和(自身を除く): 6341773

約数列:

[1, 7, 23, 43, 161, 301, 989, 4153, 6923, 29071, 95519, 178579, 668633, 1250053, 4107317, 28751219]

約数ペア:

[(1, 28751219), (7, 4107317), (23, 1250053), (43, 668633), (161, 178579), (301, 95519), (989, 29071), (4153, 6923)]