287711208

素因数分解:

$2^3\times 3^2\times {\mathrm{3995989}}^1$

素因数の和:3996001

約数の個数: 24

約数和(自身を含む): 779218050

約数和(自身を除く): 491506842

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3995989, 7991978, 11987967, 15983956, 23975934, 31967912, 35963901, 47951868, 71927802, 95903736, 143855604, 287711208]

約数ペア:

[(1, 287711208), (2, 143855604), (3, 95903736), (4, 71927802), (6, 47951868), (8, 35963901), (9, 31967912), (12, 23975934), (18, 15983956), (24, 11987967), (36, 7991978), (72, 3995989)]