128840472

素因数分解:

$2^3\times 3^2\times {\mathrm{1789451}}^1$

素因数の和:1789463

約数の個数: 24

約数和(自身を含む): 348943140

約数和(自身を除く): 220102668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1789451, 3578902, 5368353, 7157804, 10736706, 14315608, 16105059, 21473412, 32210118, 42946824, 64420236, 128840472]

約数ペア:

[(1, 128840472), (2, 64420236), (3, 42946824), (4, 32210118), (6, 21473412), (8, 16105059), (9, 14315608), (12, 10736706), (18, 7157804), (24, 5368353), (36, 3578902), (72, 1789451)]