1987511278

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{103}}^2\times {\mathrm{1993}}^1$

素因数の和:2248

約数の個数: 24

約数和(自身を含む): 3076087968

約数和(自身を除く): 1088576690

約数列:

[1, 2, 47, 94, 103, 206, 1993, 3986, 4841, 9682, 10609, 21218, 93671, 187342, 205279, 410558, 498623, 997246, 9648113, 19296226, 21143737, 42287474, 993755639, 1987511278]

約数ペア:

[(1, 1987511278), (2, 993755639), (47, 42287474), (94, 21143737), (103, 19296226), (206, 9648113), (1993, 997246), (3986, 498623), (4841, 410558), (9682, 205279), (10609, 187342), (21218, 93671)]