28250704

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{3389}}^1$

素因数の和:3918

約数の個数: 20

約数和(自身を含む): 54856980

約数和(自身を除く): 26606276

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 3389, 4168, 6778, 8336, 13556, 27112, 54224, 1765669, 3531338, 7062676, 14125352, 28250704]

約数ペア:

[(1, 28250704), (2, 14125352), (4, 7062676), (8, 3531338), (16, 1765669), (521, 54224), (1042, 27112), (2084, 13556), (3389, 8336), (4168, 6778)]