213390252

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{137849}}^1$

素因数の和:137902

約数の個数: 36

約数和(自身を含む): 551951400

約数和(自身を除く): 338561148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 137849, 275698, 413547, 551396, 827094, 1240641, 1654188, 2481282, 4962564, 5927507, 11855014, 17782521, 23710028, 35565042, 53347563, 71130084, 106695126, 213390252]

約数ペア:

[(1, 213390252), (2, 106695126), (3, 71130084), (4, 53347563), (6, 35565042), (9, 23710028), (12, 17782521), (18, 11855014), (36, 5927507), (43, 4962564), (86, 2481282), (129, 1654188), (172, 1240641), (258, 827094), (387, 551396), (516, 413547), (774, 275698), (1548, 137849)]