206987990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{50857}}^1$

素因数の和:50912

約数の個数: 32

約数和(自身を含む): 417442464

約数和(自身を除く): 210454474

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 50857, 101714, 254285, 508570, 559427, 1118854, 1881709, 2797135, 3763418, 5594270, 9408545, 18817090, 20698799, 41397598, 103493995, 206987990]

約数ペア:

[(1, 206987990), (2, 103493995), (5, 41397598), (10, 20698799), (11, 18817090), (22, 9408545), (37, 5594270), (55, 3763418), (74, 2797135), (110, 1881709), (185, 1118854), (370, 559427), (407, 508570), (814, 254285), (2035, 101714), (4070, 50857)]