2738181887

素因数分解:

$7^2\times {\mathrm{2797}}^1\times {\mathrm{19979}}^1$

素因数の和:22790

約数の個数: 12

約数和(自身を含む): 3186530280

約数和(自身を除く): 448348393

約数列:

[1, 7, 49, 2797, 19579, 19979, 137053, 139853, 978971, 55881263, 391168841, 2738181887]

約数ペア:

[(1, 2738181887), (7, 391168841), (49, 55881263), (2797, 978971), (19579, 139853), (19979, 137053)]