28466515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73939}}^1$

素因数の和:73962

約数の個数: 16

約数和(自身を含む): 42589440

約数和(自身を除く): 14122925

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73939, 369695, 517573, 813329, 2587865, 4066645, 5693303, 28466515]

約数ペア:

[(1, 28466515), (5, 5693303), (7, 4066645), (11, 2587865), (35, 813329), (55, 517573), (77, 369695), (385, 73939)]