81144478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{57713}}^1$

素因数の和:57771

約数の個数: 16

約数和(自身を含む): 131587920

約数和(自身を除く): 50443442

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 57713, 115426, 1096547, 2135381, 2193094, 4270762, 40572239, 81144478]

約数ペア:

[(1, 81144478), (2, 40572239), (19, 4270762), (37, 2193094), (38, 2135381), (74, 1096547), (703, 115426), (1406, 57713)]