399344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{2269}}^1$

素因数の和:2288

約数の個数: 20

約数和(自身を含む): 844440

約数和(自身を除く): 445096

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 2269, 4538, 9076, 18152, 24959, 36304, 49918, 99836, 199672, 399344]

約数ペア:

[(1, 399344), (2, 199672), (4, 99836), (8, 49918), (11, 36304), (16, 24959), (22, 18152), (44, 9076), (88, 4538), (176, 2269)]