261601892

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{1789}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 463108800

約数和(自身を除く): 201506908

約数列:

[1, 2, 4, 139, 263, 278, 526, 556, 1052, 1789, 3578, 7156, 36557, 73114, 146228, 248671, 470507, 497342, 941014, 994684, 1882028, 65400473, 130800946, 261601892]

約数ペア:

[(1, 261601892), (2, 130800946), (4, 65400473), (139, 1882028), (263, 994684), (278, 941014), (526, 497342), (556, 470507), (1052, 248671), (1789, 146228), (3578, 73114), (7156, 36557)]