81916018

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{37889}}^1$

素因数の和:37961

約数の個数: 16

約数和(自身を含む): 130947840

約数和(自身を除く): 49031822

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 37889, 75778, 871447, 1742894, 1780783, 3561566, 40958009, 81916018]

約数ペア:

[(1, 81916018), (2, 40958009), (23, 3561566), (46, 1780783), (47, 1742894), (94, 871447), (1081, 75778), (2162, 37889)]