205656572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{52517}}^1$

素因数の和:52621

約数の個数: 24

約数和(自身を含む): 397036080

約数和(自身を除く): 191379508

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 52517, 105034, 210068, 577687, 1155374, 2310748, 4674013, 9348026, 18696052, 51414143, 102828286, 205656572]

約数ペア:

[(1, 205656572), (2, 102828286), (4, 51414143), (11, 18696052), (22, 9348026), (44, 4674013), (89, 2310748), (178, 1155374), (356, 577687), (979, 210068), (1958, 105034), (3916, 52517)]