208969201

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{2377}}^1$

素因数の和:3064

約数の個数: 16

約数和(自身を含む): 251877760

約数和(自身を除く): 42908559

約数列:

[1, 7, 19, 133, 661, 2377, 4627, 12559, 16639, 45163, 87913, 316141, 1571197, 10998379, 29852743, 208969201]

約数ペア:

[(1, 208969201), (7, 29852743), (19, 10998379), (133, 1571197), (661, 316141), (2377, 87913), (4627, 45163), (12559, 16639)]