257308926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{130349}}^1$

素因数の和:130408

約数の個数: 32

約数和(自身を含む): 600652800

約数和(自身を除く): 343343874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 130349, 260698, 391047, 782094, 912443, 1824886, 2737329, 5474658, 6126403, 12252806, 18379209, 36758418, 42884821, 85769642, 128654463, 257308926]

約数ペア:

[(1, 257308926), (2, 128654463), (3, 85769642), (6, 42884821), (7, 36758418), (14, 18379209), (21, 12252806), (42, 6126403), (47, 5474658), (94, 2737329), (141, 1824886), (282, 912443), (329, 782094), (658, 391047), (987, 260698), (1974, 130349)]