28492009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13656

約数の個数: 16

約数和(自身を含む): 36594432

約数和(自身を除く): 8102423

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 13613, 95291, 176969, 313099, 1238783, 2191693, 4070287, 28492009]

約数ペア:

[(1, 28492009), (7, 4070287), (13, 2191693), (23, 1238783), (91, 313099), (161, 176969), (299, 95291), (2093, 13613)]