209604922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{77689}}^1$

素因数の和:77781

約数の個数: 16

約数和(自身を含む): 335620800

約数和(自身を除く): 126015878

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 77689, 155378, 1476091, 2952182, 5515919, 11031838, 104802461, 209604922]

約数ペア:

[(1, 209604922), (2, 104802461), (19, 11031838), (38, 5515919), (71, 2952182), (142, 1476091), (1349, 155378), (2698, 77689)]