201921784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{64553}}^1$

素因数の和:64599

約数の個数: 32

約数和(自身を含む): 418309920

約数和(自身を除く): 216388136

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128, 64553, 129106, 258212, 516424, 1097401, 1484719, 2194802, 2969438, 4389604, 5938876, 8779208, 11877752, 25240223, 50480446, 100960892, 201921784]

約数ペア:

[(1, 201921784), (2, 100960892), (4, 50480446), (8, 25240223), (17, 11877752), (23, 8779208), (34, 5938876), (46, 4389604), (68, 2969438), (92, 2194802), (136, 1484719), (184, 1097401), (391, 516424), (782, 258212), (1564, 129106), (3128, 64553)]