128077773584

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{2879}}^1\times {\mathrm{39161}}^1$

素因数の和:42119

約数の個数: 40

約数和(自身を含む): 251739601920

約数和(自身を除く): 123661828336

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 2879, 5758, 11516, 23032, 39161, 46064, 78322, 156644, 204409, 313288, 408818, 626576, 817636, 1635272, 2780431, 3270544, 5560862, 11121724, 22243448, 44486896, 112744519, 225489038, 450978076, 901956152, 1803912304, 8004860849, 16009721698, 32019443396, 64038886792, 128077773584]

約数ペア:

[(1, 128077773584), (2, 64038886792), (4, 32019443396), (8, 16009721698), (16, 8004860849), (71, 1803912304), (142, 901956152), (284, 450978076), (568, 225489038), (1136, 112744519), (2879, 44486896), (5758, 22243448), (11516, 11121724), (23032, 5560862), (39161, 3270544), (46064, 2780431), (78322, 1635272), (156644, 817636), (204409, 626576), (313288, 408818)]