66439816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193139}}^1$

素因数の和:193188

約数の個数: 16

約数和(自身を含む): 127472400

約数和(自身を除く): 61032584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 193139, 386278, 772556, 1545112, 8304977, 16609954, 33219908, 66439816]

約数ペア:

[(1, 66439816), (2, 33219908), (4, 16609954), (8, 8304977), (43, 1545112), (86, 772556), (172, 386278), (344, 193139)]