438091316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{20107}}^1$

素因数の和:20543

約数の個数: 24

約数和(自身を含む): 827645280

約数和(自身を除く): 389553964

約数列:

[1, 2, 4, 13, 26, 52, 419, 838, 1676, 5447, 10894, 20107, 21788, 40214, 80428, 261391, 522782, 1045564, 8424833, 16849666, 33699332, 109522829, 219045658, 438091316]

約数ペア:

[(1, 438091316), (2, 219045658), (4, 109522829), (13, 33699332), (26, 16849666), (52, 8424833), (419, 1045564), (838, 522782), (1676, 261391), (5447, 80428), (10894, 40214), (20107, 21788)]