81874492

素因数分解:

$2^2\times 7^2\times {\mathrm{417727}}^1$

素因数の和:417745

約数の個数: 18

約数和(自身を含む): 166673472

約数和(自身を除く): 84798980

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 417727, 835454, 1670908, 2924089, 5848178, 11696356, 20468623, 40937246, 81874492]

約数ペア:

[(1, 81874492), (2, 40937246), (4, 20468623), (7, 11696356), (14, 5848178), (28, 2924089), (49, 1670908), (98, 835454), (196, 417727)]