28635901

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 33529600

約数和(自身を除く): 4893699

約数列:

[1, 7, 61, 199, 337, 427, 1393, 2359, 12139, 20557, 67063, 84973, 143899, 469441, 4090843, 28635901]

約数ペア:

[(1, 28635901), (7, 4090843), (61, 469441), (199, 143899), (337, 84973), (427, 67063), (1393, 20557), (2359, 12139)]