388293.0000000

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{431}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 16849728

約数和(自身を除く): 7952164

約数列:

[1, 2, 4, 13, 26, 52, 397, 431, 794, 862, 1588, 1724, 5161, 5603, 10322, 11206, 20644, 22412, 171107, 342214, 684428, 2224391, 4448782, 8897564]

約数ペア:

[(1, 8897564), (2, 4448782), (4, 2224391), (13, 684428), (26, 342214), (52, 171107), (397, 22412), (431, 20644), (794, 11206), (862, 10322), (1588, 5603), (1724, 5161)]