128862013

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{8737}}^1$

素因数の和:8801

約数の個数: 16

約数和(自身を含む): 153788800

約数和(自身を除く): 24926787

約数列:

[1, 7, 43, 49, 301, 343, 2107, 8737, 14749, 61159, 375691, 428113, 2629837, 2996791, 18408859, 128862013]

約数ペア:

[(1, 128862013), (7, 18408859), (43, 2996791), (49, 2629837), (301, 428113), (343, 375691), (2107, 61159), (8737, 14749)]