13381256

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5613

約数の個数: 32

約数和(自身を含む): 29346240

約数和(自身を除く): 15964984

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 5557, 11114, 22228, 38899, 44456, 77798, 155596, 238951, 311192, 477902, 955804, 1672657, 1911608, 3345314, 6690628, 13381256]

約数ペア:

[(1, 13381256), (2, 6690628), (4, 3345314), (7, 1911608), (8, 1672657), (14, 955804), (28, 477902), (43, 311192), (56, 238951), (86, 155596), (172, 77798), (301, 44456), (344, 38899), (602, 22228), (1204, 11114), (2408, 5557)]