87669628

素因数分解:

$2^2\times {\mathrm{89}}^2\times {\mathrm{2767}}^1$

素因数の和:2949

約数の個数: 18

約数和(自身を含む): 155221136

約数和(自身を除く): 67551508

約数列:

[1, 2, 4, 89, 178, 356, 2767, 5534, 7921, 11068, 15842, 31684, 246263, 492526, 985052, 21917407, 43834814, 87669628]

約数ペア:

[(1, 87669628), (2, 43834814), (4, 21917407), (89, 985052), (178, 492526), (356, 246263), (2767, 31684), (5534, 15842), (7921, 11068)]