388190881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 444620904

約数和(自身を除く): 56430023

約数列:

[1, 13, 19, 181, 247, 361, 457, 2353, 3439, 4693, 5941, 8683, 44707, 65341, 82717, 112879, 164977, 849433, 1075321, 1571623, 2144701, 20431099, 29860837, 388190881]

約数ペア:

[(1, 388190881), (13, 29860837), (19, 20431099), (181, 2144701), (247, 1571623), (361, 1075321), (457, 849433), (2353, 164977), (3439, 112879), (4693, 82717), (5941, 65341), (8683, 44707)]