128673456

素因数分解:

$2^4\times 3^1\times {\mathrm{2680697}}^1$

素因数の和:2680708

約数の個数: 20

約数和(自身を含む): 332406552

約数和(自身を除く): 203733096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2680697, 5361394, 8042091, 10722788, 16084182, 21445576, 32168364, 42891152, 64336728, 128673456]

約数ペア:

[(1, 128673456), (2, 64336728), (3, 42891152), (4, 32168364), (6, 21445576), (8, 16084182), (12, 10722788), (16, 8042091), (24, 5361394), (48, 2680697)]