28516852

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 61936000

約数和(自身を除く): 33419148

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 499, 628, 998, 1099, 1996, 2041, 2198, 3493, 4082, 4396, 6487, 6986, 8164, 12974, 13972, 14287, 25948, 28574, 45409, 57148, 78343, 90818, 156686, 181636, 313372, 548401, 1018459, 1096802, 2036918, 2193604, 4073836, 7129213, 14258426, 28516852]

約数ペア:

[(1, 28516852), (2, 14258426), (4, 7129213), (7, 4073836), (13, 2193604), (14, 2036918), (26, 1096802), (28, 1018459), (52, 548401), (91, 313372), (157, 181636), (182, 156686), (314, 90818), (364, 78343), (499, 57148), (628, 45409), (998, 28574), (1099, 25948), (1996, 14287), (2041, 13972), (2198, 12974), (3493, 8164), (4082, 6986), (4396, 6487)]