287351784

素因数分解:

$2^3\times 3^2\times {\mathrm{3990997}}^1$

素因数の和:3991009

約数の個数: 24

約数和(自身を含む): 778244610

約数和(自身を除く): 490892826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3990997, 7981994, 11972991, 15963988, 23945982, 31927976, 35918973, 47891964, 71837946, 95783928, 143675892, 287351784]

約数ペア:

[(1, 287351784), (2, 143675892), (3, 95783928), (4, 71837946), (6, 47891964), (8, 35918973), (9, 31927976), (12, 23945982), (18, 15963988), (24, 11972991), (36, 7981994), (72, 3990997)]