256898306

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{258449}}^1$

素因数の和:258529

約数の個数: 16

約数和(自身を含む): 446601600

約数和(自身を除く): 189703294

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 258449, 516898, 1809143, 3618286, 18349879, 36699758, 128449153, 256898306]

約数ペア:

[(1, 256898306), (2, 128449153), (7, 36699758), (14, 18349879), (71, 3618286), (142, 1809143), (497, 516898), (994, 258449)]