212822852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{54347}}^1$

素因数の和:54451

約数の個数: 24

約数和(自身を含む): 410870880

約数和(自身を除く): 198048028

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 54347, 108694, 217388, 597817, 1195634, 2391268, 4836883, 9673766, 19347532, 53205713, 106411426, 212822852]

約数ペア:

[(1, 212822852), (2, 106411426), (4, 53205713), (11, 19347532), (22, 9673766), (44, 4836883), (89, 2391268), (178, 1195634), (356, 597817), (979, 217388), (1958, 108694), (3916, 54347)]