257317634

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{132229}}^1$

素因数の和:132377

約数の個数: 16

約数和(自身を含む): 444292800

約数和(自身を除く): 186975166

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 132229, 264458, 925603, 1851206, 18379831, 36759662, 128658817, 257317634]

約数ペア:

[(1, 257317634), (2, 128658817), (7, 36759662), (14, 18379831), (139, 1851206), (278, 925603), (973, 264458), (1946, 132229)]