2149205009

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1\times {\mathrm{4219}}^1$

素因数の和:5480

約数の個数: 16

約数和(自身を含む): 2499185280

約数和(自身を除く): 349980271

約数列:

[1, 7, 61, 427, 1193, 4219, 8351, 29533, 72773, 257359, 509411, 1801513, 5033267, 35232869, 307029287, 2149205009]

約数ペア:

[(1, 2149205009), (7, 307029287), (61, 35232869), (427, 5033267), (1193, 1801513), (4219, 509411), (8351, 257359), (29533, 72773)]