638345022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{9749}}^1$

素因数の和:11320

約数の個数: 32

約数和(自身を含む): 1460160000

約数和(自身を除く): 821814978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1559, 3118, 4677, 9354, 9749, 10913, 19498, 21826, 29247, 32739, 58494, 65478, 68243, 136486, 204729, 409458, 15198691, 30397382, 45596073, 91192146, 106390837, 212781674, 319172511, 638345022]

約数ペア:

[(1, 638345022), (2, 319172511), (3, 212781674), (6, 106390837), (7, 91192146), (14, 45596073), (21, 30397382), (42, 15198691), (1559, 409458), (3118, 204729), (4677, 136486), (9354, 68243), (9749, 65478), (10913, 58494), (19498, 32739), (21826, 29247)]