388909993

素因数分解:

${\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{4831}}^1$

素因数の和:5092

約数の個数: 12

約数和(自身を含む): 412382208

約数和(自身を除く): 23472215

約数列:

[1, 19, 223, 361, 4237, 4831, 80503, 91789, 1077313, 1743991, 20468947, 388909993]

約数ペア:

[(1, 388909993), (19, 20468947), (223, 1743991), (361, 1077313), (4237, 91789), (4831, 80503)]