28507423

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 5361377

約数列:

[1, 7, 41, 71, 287, 497, 1399, 2911, 9793, 20377, 57359, 99329, 401513, 695303, 4072489, 28507423]

約数ペア:

[(1, 28507423), (7, 4072489), (41, 695303), (71, 401513), (287, 99329), (497, 57359), (1399, 20377), (2911, 9793)]