221688485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 286623360

約数和(自身を除く): 64934875

約数列:

[1, 5, 19, 95, 107, 113, 193, 535, 565, 965, 2033, 2147, 3667, 10165, 10735, 12091, 18335, 20651, 21809, 60455, 103255, 109045, 229729, 392369, 414371, 1148645, 1961845, 2071855, 2333563, 11667815, 44337697, 221688485]

約数ペア:

[(1, 221688485), (5, 44337697), (19, 11667815), (95, 2333563), (107, 2071855), (113, 1961845), (193, 1148645), (535, 414371), (565, 392369), (965, 229729), (2033, 109045), (2147, 103255), (3667, 60455), (10165, 21809), (10735, 20651), (12091, 18335)]