28210742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 22938058

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 1106, 1109, 1817, 2218, 3634, 7763, 12719, 15526, 25438, 25507, 51014, 87611, 175222, 178549, 357098, 613277, 1226554, 2015053, 4030106, 14105371, 28210742]

約数ペア:

[(1, 28210742), (2, 14105371), (7, 4030106), (14, 2015053), (23, 1226554), (46, 613277), (79, 357098), (158, 178549), (161, 175222), (322, 87611), (553, 51014), (1106, 25507), (1109, 25438), (1817, 15526), (2218, 12719), (3634, 7763)]