13647985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 19071360

約数和(自身を除く): 5423375

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 247, 257, 559, 817, 1235, 1285, 2795, 3341, 4085, 4883, 10621, 11051, 16705, 24415, 53105, 55255, 63479, 143663, 209969, 317395, 718315, 1049845, 2729597, 13647985]

約数ペア:

[(1, 13647985), (5, 2729597), (13, 1049845), (19, 718315), (43, 317395), (65, 209969), (95, 143663), (215, 63479), (247, 55255), (257, 53105), (559, 24415), (817, 16705), (1235, 11051), (1285, 10621), (2795, 4883), (3341, 4085)]