231216964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{477721}}^1$

素因数の和:477747

約数の個数: 18

約数和(自身を含む): 444759182

約数和(自身を除く): 213542218

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 477721, 955442, 1910884, 5254931, 10509862, 21019724, 57804241, 115608482, 231216964]

約数ペア:

[(1, 231216964), (2, 115608482), (4, 57804241), (11, 21019724), (22, 10509862), (44, 5254931), (121, 1910884), (242, 955442), (484, 477721)]