81242884

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{432143}}^1$

素因数の和:432194

約数の個数: 12

約数和(自身を含む): 145200384

約数和(自身を除く): 63957500

約数列:

[1, 2, 4, 47, 94, 188, 432143, 864286, 1728572, 20310721, 40621442, 81242884]

約数ペア:

[(1, 81242884), (2, 40621442), (4, 20310721), (47, 1728572), (94, 864286), (188, 432143)]