2666554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 4437216

約数和(自身を除く): 1770662

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 1987, 3974, 21857, 43714, 121207, 242414, 1333277, 2666554]

約数ペア:

[(1, 2666554), (2, 1333277), (11, 242414), (22, 121207), (61, 43714), (122, 21857), (671, 3974), (1342, 1987)]