28917616

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19861}}^1$

素因数の和:19889

約数の個数: 40

約数和(自身を含む): 68960864

約数和(自身を除く): 40043248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19861, 39722, 79444, 139027, 158888, 258193, 278054, 317776, 516386, 556108, 1032772, 1112216, 1807351, 2065544, 2224432, 3614702, 4131088, 7229404, 14458808, 28917616]

約数ペア:

[(1, 28917616), (2, 14458808), (4, 7229404), (7, 4131088), (8, 3614702), (13, 2224432), (14, 2065544), (16, 1807351), (26, 1112216), (28, 1032772), (52, 556108), (56, 516386), (91, 317776), (104, 278054), (112, 258193), (182, 158888), (208, 139027), (364, 79444), (728, 39722), (1456, 19861)]