2639856

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 6983680

約数和(自身を除く): 4343824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 1279, 2064, 2558, 3837, 5116, 7674, 10232, 15348, 20464, 30696, 54997, 61392, 109994, 164991, 219988, 329982, 439976, 659964, 879952, 1319928, 2639856]

約数ペア:

[(1, 2639856), (2, 1319928), (3, 879952), (4, 659964), (6, 439976), (8, 329982), (12, 219988), (16, 164991), (24, 109994), (43, 61392), (48, 54997), (86, 30696), (129, 20464), (172, 15348), (258, 10232), (344, 7674), (516, 5116), (688, 3837), (1032, 2558), (1279, 2064)]