209968396

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3286

約数の個数: 36

約数和(自身を含む): 406921480

約数和(自身を除く): 196953084

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 278, 484, 556, 1529, 3058, 3121, 6116, 6242, 12484, 16819, 33638, 34331, 67276, 68662, 137324, 377641, 433819, 755282, 867638, 1510564, 1735276, 4772009, 9544018, 19088036, 52492099, 104984198, 209968396]

約数ペア:

[(1, 209968396), (2, 104984198), (4, 52492099), (11, 19088036), (22, 9544018), (44, 4772009), (121, 1735276), (139, 1510564), (242, 867638), (278, 755282), (484, 433819), (556, 377641), (1529, 137324), (3058, 68662), (3121, 67276), (6116, 34331), (6242, 33638), (12484, 16819)]