128454908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{3517}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 235227552

約数和(自身を除く): 106772644

約数列:

[1, 2, 4, 23, 46, 92, 397, 794, 1588, 3517, 7034, 9131, 14068, 18262, 36524, 80891, 161782, 323564, 1396249, 2792498, 5584996, 32113727, 64227454, 128454908]

約数ペア:

[(1, 128454908), (2, 64227454), (4, 32113727), (23, 5584996), (46, 2792498), (92, 1396249), (397, 323564), (794, 161782), (1588, 80891), (3517, 36524), (7034, 18262), (9131, 14068)]