28161458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 48417600

約数和(自身を除く): 20256142

約数列:

[1, 2, 13, 19, 26, 38, 109, 218, 247, 494, 523, 1046, 1417, 2071, 2834, 4142, 6799, 9937, 13598, 19874, 26923, 53846, 57007, 114014, 129181, 258362, 741091, 1083133, 1482182, 2166266, 14080729, 28161458]

約数ペア:

[(1, 28161458), (2, 14080729), (13, 2166266), (19, 1482182), (26, 1083133), (38, 741091), (109, 258362), (218, 129181), (247, 114014), (494, 57007), (523, 53846), (1046, 26923), (1417, 19874), (2071, 13598), (2834, 9937), (4142, 6799)]