81017776

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4493}}^1$

素因数の和:4538

約数の個数: 60

約数和(自身を含む): 190581552

約数和(自身を除く): 109563776

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1288, 2254, 2576, 4493, 4508, 8986, 9016, 17972, 18032, 31451, 35944, 62902, 71888, 103339, 125804, 206678, 220157, 251608, 413356, 440314, 503216, 723373, 826712, 880628, 1446746, 1653424, 1761256, 2893492, 3522512, 5063611, 5786984, 10127222, 11573968, 20254444, 40508888, 81017776]

約数ペア:

[(1, 81017776), (2, 40508888), (4, 20254444), (7, 11573968), (8, 10127222), (14, 5786984), (16, 5063611), (23, 3522512), (28, 2893492), (46, 1761256), (49, 1653424), (56, 1446746), (92, 880628), (98, 826712), (112, 723373), (161, 503216), (184, 440314), (196, 413356), (322, 251608), (368, 220157), (392, 206678), (644, 125804), (784, 103339), (1127, 71888), (1288, 62902), (2254, 35944), (2576, 31451), (4493, 18032), (4508, 17972), (8986, 9016)]