201991888133

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{4007219}}^1$

素因数の和:4007624

約数の個数: 16

約数和(自身を含む): 243638976000

約数和(自身を除く): 41647087867

約数列:

[1, 7, 19, 133, 379, 2653, 7201, 50407, 4007219, 28050533, 76137161, 532960127, 1518736001, 10631152007, 28855984019, 201991888133]

約数ペア:

[(1, 201991888133), (7, 28855984019), (19, 10631152007), (133, 1518736001), (379, 532960127), (2653, 76137161), (7201, 28050533), (50407, 4007219)]