28371884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{99901}}^1$

素因数の和:99976

約数の個数: 12

約数和(自身を含む): 50350608

約数和(自身を除く): 21978724

約数列:

[1, 2, 4, 71, 142, 284, 99901, 199802, 399604, 7092971, 14185942, 28371884]

約数ペア:

[(1, 28371884), (2, 14185942), (4, 7092971), (71, 399604), (142, 199802), (284, 99901)]