81965972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{3989}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 156854880

約数和(自身を除く): 74888908

約数列:

[1, 2, 4, 11, 22, 44, 467, 934, 1868, 3989, 5137, 7978, 10274, 15956, 20548, 43879, 87758, 175516, 1862863, 3725726, 7451452, 20491493, 40982986, 81965972]

約数ペア:

[(1, 81965972), (2, 40982986), (4, 20491493), (11, 7451452), (22, 3725726), (44, 1862863), (467, 175516), (934, 87758), (1868, 43879), (3989, 20548), (5137, 15956), (7978, 10274)]