5247781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 7326720

約数和(自身を除く): 2078939

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 211, 323, 1309, 1463, 1477, 2261, 2321, 3553, 3587, 4009, 16247, 24871, 25109, 28063, 39457, 44099, 68153, 276199, 308693, 477071, 749683, 5247781]

約数ペア:

[(1, 5247781), (7, 749683), (11, 477071), (17, 308693), (19, 276199), (77, 68153), (119, 44099), (133, 39457), (187, 28063), (209, 25109), (211, 24871), (323, 16247), (1309, 4009), (1463, 3587), (1477, 3553), (2261, 2321)]