128988530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61717}}^1$

素因数の和:61754

約数の個数: 32

約数和(自身を含む): 266621760

約数和(自身を除く): 137633230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 61717, 123434, 308585, 617170, 678887, 1172623, 1357774, 2345246, 3394435, 5863115, 6788870, 11726230, 12898853, 25797706, 64494265, 128988530]

約数ペア:

[(1, 128988530), (2, 64494265), (5, 25797706), (10, 12898853), (11, 11726230), (19, 6788870), (22, 5863115), (38, 3394435), (55, 2345246), (95, 1357774), (110, 1172623), (190, 678887), (209, 617170), (418, 308585), (1045, 123434), (2090, 61717)]