205920554

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^2\times {\mathrm{379}}^1$

素因数の和:782

約数の個数: 24

約数和(自身を含む): 355743840

約数和(自身を除く): 149823286

約数列:

[1, 2, 7, 14, 197, 379, 394, 758, 1379, 2653, 2758, 5306, 38809, 74663, 77618, 149326, 271663, 522641, 543326, 1045282, 14708611, 29417222, 102960277, 205920554]

約数ペア:

[(1, 205920554), (2, 102960277), (7, 29417222), (14, 14708611), (197, 1045282), (379, 543326), (394, 522641), (758, 271663), (1379, 149326), (2653, 77618), (2758, 74663), (5306, 38809)]