219920508

素因数分解:

$2^2\times 3^4\times {\mathrm{678767}}^1$

素因数の和:678783

約数の個数: 30

約数和(自身を含む): 574916496

約数和(自身を除く): 354995988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 678767, 1357534, 2036301, 2715068, 4072602, 6108903, 8145204, 12217806, 18326709, 24435612, 36653418, 54980127, 73306836, 109960254, 219920508]

約数ペア:

[(1, 219920508), (2, 109960254), (3, 73306836), (4, 54980127), (6, 36653418), (9, 24435612), (12, 18326709), (18, 12217806), (27, 8145204), (36, 6108903), (54, 4072602), (81, 2715068), (108, 2036301), (162, 1357534), (324, 678767)]