209854792

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{87149}}^1$

素因数の和:87205

約数の個数: 32

約数和(自身を含む): 460152000

約数和(自身を除く): 250297208

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 87149, 174298, 348596, 610043, 697192, 1220086, 2440172, 3747407, 4880344, 7494814, 14989628, 26231849, 29979256, 52463698, 104927396, 209854792]

約数ペア:

[(1, 209854792), (2, 104927396), (4, 52463698), (7, 29979256), (8, 26231849), (14, 14989628), (28, 7494814), (43, 4880344), (56, 3747407), (86, 2440172), (172, 1220086), (301, 697192), (344, 610043), (602, 348596), (1204, 174298), (2408, 87149)]