1861229881

素因数分解:

$7^1\times {\mathrm{331}}^1\times {\mathrm{739}}^1\times {\mathrm{1087}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 2138398720

約数和(自身を除く): 277168839

約数列:

[1, 7, 331, 739, 1087, 2317, 5173, 7609, 244609, 359797, 803293, 1712263, 2518579, 5623051, 265889983, 1861229881]

約数ペア:

[(1, 1861229881), (7, 265889983), (331, 5623051), (739, 2518579), (1087, 1712263), (2317, 803293), (5173, 359797), (7609, 244609)]