128972638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{52901}}^1$

素因数の和:52979

約数の個数: 16

約数和(自身を含む): 205682976

約数和(自身を除く): 76710338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 52901, 105802, 1216723, 2433446, 2803753, 5607506, 64486319, 128972638]

約数ペア:

[(1, 128972638), (2, 64486319), (23, 5607506), (46, 2803753), (53, 2433446), (106, 1216723), (1219, 105802), (2438, 52901)]