16681112

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 36019200

約数和(自身を除く): 19338088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2143, 3892, 4286, 7784, 8572, 15001, 17144, 30002, 60004, 120008, 297877, 595754, 1191508, 2085139, 2383016, 4170278, 8340556, 16681112]

約数ペア:

[(1, 16681112), (2, 8340556), (4, 4170278), (7, 2383016), (8, 2085139), (14, 1191508), (28, 595754), (56, 297877), (139, 120008), (278, 60004), (556, 30002), (973, 17144), (1112, 15001), (1946, 8572), (2143, 7784), (3892, 4286)]