388657616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1278479}}^1$

素因数の和:1278506

約数の個数: 20

約数和(自身を含む): 792657600

約数和(自身を除く): 403999984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1278479, 2556958, 5113916, 10227832, 20455664, 24291101, 48582202, 97164404, 194328808, 388657616]

約数ペア:

[(1, 388657616), (2, 194328808), (4, 97164404), (8, 48582202), (16, 24291101), (19, 20455664), (38, 10227832), (76, 5113916), (152, 2556958), (304, 1278479)]