127987568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195103}}^1$

素因数の和:195152

約数の個数: 20

約数和(自身を含む): 254025408

約数和(自身を除く): 126037840

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195103, 390206, 780412, 1560824, 3121648, 7999223, 15998446, 31996892, 63993784, 127987568]

約数ペア:

[(1, 127987568), (2, 63993784), (4, 31996892), (8, 15998446), (16, 7999223), (41, 3121648), (82, 1560824), (164, 780412), (328, 390206), (656, 195103)]