86860808

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 165625560

約数和(自身を除く): 78764752

約数列:

[1, 2, 4, 8, 101, 193, 202, 386, 404, 557, 772, 808, 1114, 1544, 2228, 4456, 19493, 38986, 56257, 77972, 107501, 112514, 155944, 215002, 225028, 430004, 450056, 860008, 10857601, 21715202, 43430404, 86860808]

約数ペア:

[(1, 86860808), (2, 43430404), (4, 21715202), (8, 10857601), (101, 860008), (193, 450056), (202, 430004), (386, 225028), (404, 215002), (557, 155944), (772, 112514), (808, 107501), (1114, 77972), (1544, 56257), (2228, 38986), (4456, 19493)]