78017284

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67489}}^1$

素因数の和:67527

約数の個数: 18

約数和(自身を含む): 145036010

約数和(自身を除く): 67018726

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 67489, 134978, 269956, 1147313, 2294626, 4589252, 19504321, 39008642, 78017284]

約数ペア:

[(1, 78017284), (2, 39008642), (4, 19504321), (17, 4589252), (34, 2294626), (68, 1147313), (289, 269956), (578, 134978), (1156, 67489)]