208533493

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{7879}}^1$

素因数の和:8104

約数の個数: 16

約数和(自身を含む): 252160000

約数和(自身を除く): 43626507

約数列:

[1, 7, 19, 133, 199, 1393, 3781, 7879, 26467, 55153, 149701, 1047907, 1567921, 10975447, 29790499, 208533493]

約数ペア:

[(1, 208533493), (7, 29790499), (19, 10975447), (133, 1567921), (199, 1047907), (1393, 149701), (3781, 55153), (7879, 26467)]