28902895

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 42624000

約数和(自身を除く): 13721105

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 343, 665, 887, 931, 1715, 4435, 4655, 6209, 6517, 16853, 31045, 32585, 43463, 84265, 117971, 217315, 304241, 589855, 825797, 1521205, 4128985, 5780579, 28902895]

約数ペア:

[(1, 28902895), (5, 5780579), (7, 4128985), (19, 1521205), (35, 825797), (49, 589855), (95, 304241), (133, 217315), (245, 117971), (343, 84265), (665, 43463), (887, 32585), (931, 31045), (1715, 16853), (4435, 6517), (4655, 6209)]