81206494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 132982560

約数和(自身を除く): 51776066

約数列:

[1, 2, 19, 38, 53, 61, 106, 122, 661, 1007, 1159, 1322, 2014, 2318, 3233, 6466, 12559, 25118, 35033, 40321, 61427, 70066, 80642, 122854, 665627, 766099, 1331254, 1532198, 2137013, 4274026, 40603247, 81206494]

約数ペア:

[(1, 81206494), (2, 40603247), (19, 4274026), (38, 2137013), (53, 1532198), (61, 1331254), (106, 766099), (122, 665627), (661, 122854), (1007, 80642), (1159, 70066), (1322, 61427), (2014, 40321), (2318, 35033), (3233, 25118), (6466, 12559)]