2680486564

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{688717}}^1$

素因数の和:688867

約数の個数: 24

約数和(自身を含む): 5399549120

約数和(自身を除く): 2719062556

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 688717, 1377434, 2754868, 4821019, 9642038, 19284076, 95731663, 191463326, 382926652, 670121641, 1340243282, 2680486564]

約数ペア:

[(1, 2680486564), (2, 1340243282), (4, 670121641), (7, 382926652), (14, 191463326), (28, 95731663), (139, 19284076), (278, 9642038), (556, 4821019), (973, 2754868), (1946, 1377434), (3892, 688717)]