28454881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6653}}^1$

素因数の和:6720

約数の個数: 16

約数和(自身を含む): 35771904

約数和(自身を除く): 7317023

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 6653, 46571, 86489, 312691, 605423, 2188837, 4064983, 28454881]

約数ペア:

[(1, 28454881), (7, 4064983), (13, 2188837), (47, 605423), (91, 312691), (329, 86489), (611, 46571), (4277, 6653)]