388961071964

素因数分解:

$2^2\times {\mathrm{4001}}^1\times {\mathrm{24303991}}^1$

素因数の和:24307996

約数の個数: 12

約数和(自身を含む): 680852031888

約数和(自身を除く): 291890959924

約数列:

[1, 2, 4, 4001, 8002, 16004, 24303991, 48607982, 97215964, 97240267991, 194480535982, 388961071964]

約数ペア:

[(1, 388961071964), (2, 194480535982), (4, 97240267991), (4001, 97215964), (8002, 48607982), (16004, 24303991)]