2019401279

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{675611}}^1$

素因数の和:675686

約数の個数: 12

約数和(自身を含む): 2387612808

約数和(自身を除く): 368211529

約数列:

[1, 7, 49, 61, 427, 2989, 675611, 4729277, 33104939, 41212271, 288485897, 2019401279]

約数ペア:

[(1, 2019401279), (7, 288485897), (49, 41212271), (61, 33104939), (427, 4729277), (2989, 675611)]