201991641788

素因数分解:

$2^2\times {\mathrm{63113}}^1\times {\mathrm{800119}}^1$

素因数の和:863236

約数の個数: 12

約数和(自身を含む): 353491415760

約数和(自身を除く): 151499773972

約数列:

[1, 2, 4, 63113, 126226, 252452, 800119, 1600238, 3200476, 50497910447, 100995820894, 201991641788]

約数ペア:

[(1, 201991641788), (2, 100995820894), (4, 50497910447), (63113, 3200476), (126226, 1600238), (252452, 800119)]