128430421

素因数分解:

$7^2\times {\mathrm{199}}^1\times {\mathrm{13171}}^1$

素因数の和:13384

約数の個数: 12

約数和(自身を含む): 150160800

約数和(自身を除く): 21730379

約数列:

[1, 7, 49, 199, 1393, 9751, 13171, 92197, 645379, 2621029, 18347203, 128430421]

約数ペア:

[(1, 128430421), (7, 18347203), (49, 2621029), (199, 645379), (1393, 92197), (9751, 13171)]