218363908

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109841}}^1$

素因数の和:109923

約数の個数: 24

約数和(自身を含む): 442882944

約数和(自身を除く): 224519036

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 109841, 219682, 439364, 768887, 1537774, 3075548, 7798711, 15597422, 31194844, 54590977, 109181954, 218363908]

約数ペア:

[(1, 218363908), (2, 109181954), (4, 54590977), (7, 31194844), (14, 15597422), (28, 7798711), (71, 3075548), (142, 1537774), (284, 768887), (497, 439364), (994, 219682), (1988, 109841)]