2257549

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 2785536

約数和(自身を除く): 527987

約数列:

[1, 7, 17, 61, 119, 311, 427, 1037, 2177, 5287, 7259, 18971, 37009, 132797, 322507, 2257549]

約数ペア:

[(1, 2257549), (7, 322507), (17, 132797), (61, 37009), (119, 18971), (311, 7259), (427, 5287), (1037, 2177)]