9890128

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{4447}}^1$

素因数の和:4594

約数の個数: 20

約数和(自身を含む): 19304320

約数和(自身を除く): 9414192

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 4447, 8894, 17788, 35576, 71152, 618133, 1236266, 2472532, 4945064, 9890128]

約数ペア:

[(1, 9890128), (2, 4945064), (4, 2472532), (8, 1236266), (16, 618133), (139, 71152), (278, 35576), (556, 17788), (1112, 8894), (2224, 4447)]