81065012

素因数分解:

$2^2\times 7^2\times {\mathrm{413597}}^1$

素因数の和:413615

約数の個数: 18

約数和(自身を含む): 165025602

約数和(自身を除く): 83960590

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 413597, 827194, 1654388, 2895179, 5790358, 11580716, 20266253, 40532506, 81065012]

約数ペア:

[(1, 81065012), (2, 40532506), (4, 20266253), (7, 11580716), (14, 5790358), (28, 2895179), (49, 1654388), (98, 827194), (196, 413597)]