28719784

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 26878616

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 857, 1714, 3428, 4189, 6856, 8378, 16756, 33512, 50563, 60847, 101126, 121694, 202252, 243388, 404504, 486776, 3589973, 7179946, 14359892, 28719784]

約数ペア:

[(1, 28719784), (2, 14359892), (4, 7179946), (8, 3589973), (59, 486776), (71, 404504), (118, 243388), (142, 202252), (236, 121694), (284, 101126), (472, 60847), (568, 50563), (857, 33512), (1714, 16756), (3428, 8378), (4189, 6856)]