1389662071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{57727}}^1$

素因数の和:57934

約数の個数: 16

約数和(自身を含む): 1681039360

約数和(自身を除く): 291377289

約数列:

[1, 7, 19, 133, 181, 1267, 3439, 24073, 57727, 404089, 1096813, 7677691, 10448587, 73140109, 198523153, 1389662071]

約数ペア:

[(1, 1389662071), (7, 198523153), (19, 73140109), (133, 10448587), (181, 7677691), (1267, 1096813), (3439, 404089), (24073, 57727)]