81116812

素因数分解:

$2^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{3581}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 162479520

約数和(自身を除く): 81362708

約数列:

[1, 2, 4, 7, 14, 28, 809, 1618, 3236, 3581, 5663, 7162, 11326, 14324, 22652, 25067, 50134, 100268, 2897029, 5794058, 11588116, 20279203, 40558406, 81116812]

約数ペア:

[(1, 81116812), (2, 40558406), (4, 20279203), (7, 11588116), (14, 5794058), (28, 2897029), (809, 100268), (1618, 50134), (3236, 25067), (3581, 22652), (5663, 14324), (7162, 11326)]