986993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 1223040

約数和(自身を除く): 236047

約数列:

[1, 7, 19, 41, 133, 181, 287, 779, 1267, 3439, 5453, 7421, 24073, 51947, 140999, 986993]

約数ペア:

[(1, 986993), (7, 140999), (19, 51947), (41, 24073), (133, 7421), (181, 5453), (287, 3439), (779, 1267)]