128829128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{1151}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 256296960

約数和(自身を除く): 127467832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 823, 1151, 1646, 2302, 3292, 4604, 6584, 9208, 13991, 19567, 27982, 39134, 55964, 78268, 111928, 156536, 947273, 1894546, 3789092, 7578184, 16103641, 32207282, 64414564, 128829128]

約数ペア:

[(1, 128829128), (2, 64414564), (4, 32207282), (8, 16103641), (17, 7578184), (34, 3789092), (68, 1894546), (136, 947273), (823, 156536), (1151, 111928), (1646, 78268), (2302, 55964), (3292, 39134), (4604, 27982), (6584, 19567), (9208, 13991)]