13278904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 26535600

約数和(自身を除く): 13256696

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 389, 502, 778, 1004, 1556, 2008, 3112, 4267, 6613, 8534, 13226, 17068, 26452, 34136, 52904, 97639, 195278, 390556, 781112, 1659863, 3319726, 6639452, 13278904]

約数ペア:

[(1, 13278904), (2, 6639452), (4, 3319726), (8, 1659863), (17, 781112), (34, 390556), (68, 195278), (136, 97639), (251, 52904), (389, 34136), (502, 26452), (778, 17068), (1004, 13226), (1556, 8534), (2008, 6613), (3112, 4267)]