128385128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{844639}}^1$

素因数の和:844664

約数の個数: 16

約数和(自身を含む): 253392000

約数和(自身を除く): 125006872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 844639, 1689278, 3378556, 6757112, 16048141, 32096282, 64192564, 128385128]

約数ペア:

[(1, 128385128), (2, 64192564), (4, 32096282), (8, 16048141), (19, 6757112), (38, 3378556), (76, 1689278), (152, 844639)]