2540419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 3133440

約数和(自身を除く): 593021

約数列:

[1, 7, 23, 31, 161, 217, 509, 713, 3563, 4991, 11707, 15779, 81949, 110453, 362917, 2540419]

約数ペア:

[(1, 2540419), (7, 362917), (23, 110453), (31, 81949), (161, 15779), (217, 11707), (509, 4991), (713, 3563)]