77920964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2081}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 159497856

約数和(自身を除く): 81576892

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 506, 814, 851, 1012, 1628, 1702, 2081, 3404, 4162, 8324, 9361, 18722, 22891, 37444, 45782, 47863, 76997, 91564, 95726, 153994, 191452, 307988, 526493, 846967, 1052986, 1693934, 1770931, 2105972, 3387868, 3541862, 7083724, 19480241, 38960482, 77920964]

約数ペア:

[(1, 77920964), (2, 38960482), (4, 19480241), (11, 7083724), (22, 3541862), (23, 3387868), (37, 2105972), (44, 1770931), (46, 1693934), (74, 1052986), (92, 846967), (148, 526493), (253, 307988), (407, 191452), (506, 153994), (814, 95726), (851, 91564), (1012, 76997), (1628, 47863), (1702, 45782), (2081, 37444), (3404, 22891), (4162, 18722), (8324, 9361)]