81335704

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2341}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 157663440

約数和(自身を除く): 76327736

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 808, 2341, 4343, 4682, 8686, 9364, 17372, 18728, 34744, 100663, 201326, 236441, 402652, 472882, 805304, 945764, 1891528, 10166963, 20333926, 40667852, 81335704]

約数ペア:

[(1, 81335704), (2, 40667852), (4, 20333926), (8, 10166963), (43, 1891528), (86, 945764), (101, 805304), (172, 472882), (202, 402652), (344, 236441), (404, 201326), (808, 100663), (2341, 34744), (4343, 18728), (4682, 17372), (8686, 9364)]