178977396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21647}}^1$

素因数の和:21720

約数の個数: 48

約数和(自身を含む): 458244864

約数和(自身を除く): 279267468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268, 21647, 43294, 64941, 86588, 129882, 259764, 281411, 562822, 844233, 1125644, 1147291, 1688466, 2294582, 3376932, 3441873, 4589164, 6883746, 13767492, 14914783, 29829566, 44744349, 59659132, 89488698, 178977396]

約数ペア:

[(1, 178977396), (2, 89488698), (3, 59659132), (4, 44744349), (6, 29829566), (12, 14914783), (13, 13767492), (26, 6883746), (39, 4589164), (52, 3441873), (53, 3376932), (78, 2294582), (106, 1688466), (156, 1147291), (159, 1125644), (212, 844233), (318, 562822), (636, 281411), (689, 259764), (1378, 129882), (2067, 86588), (2756, 64941), (4134, 43294), (8268, 21647)]