139388417

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{983}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 163233792

約数和(自身を除く): 23845375

約数列:

[1, 7, 47, 329, 431, 983, 3017, 6881, 20257, 46201, 141799, 323407, 423673, 2965711, 19912631, 139388417]

約数ペア:

[(1, 139388417), (7, 19912631), (47, 2965711), (329, 423673), (431, 323407), (983, 141799), (3017, 46201), (6881, 20257)]