64681994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 108936576

約数和(自身を除く): 44254582

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 481, 923, 947, 962, 1846, 1894, 2627, 5254, 12311, 24622, 34151, 35039, 67237, 68302, 70078, 134474, 455507, 874081, 911014, 1748162, 2487769, 4975538, 32340997, 64681994]

約数ペア:

[(1, 64681994), (2, 32340997), (13, 4975538), (26, 2487769), (37, 1748162), (71, 911014), (74, 874081), (142, 455507), (481, 134474), (923, 70078), (947, 68302), (962, 67237), (1846, 35039), (1894, 34151), (2627, 24622), (5254, 12311)]