28178588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 27704932

約数列:

[1, 2, 4, 17, 23, 34, 43, 46, 68, 86, 92, 172, 391, 419, 731, 782, 838, 989, 1462, 1564, 1676, 1978, 2924, 3956, 7123, 9637, 14246, 16813, 18017, 19274, 28492, 33626, 36034, 38548, 67252, 72068, 163829, 306289, 327658, 414391, 612578, 655316, 828782, 1225156, 1657564, 7044647, 14089294, 28178588]

約数ペア:

[(1, 28178588), (2, 14089294), (4, 7044647), (17, 1657564), (23, 1225156), (34, 828782), (43, 655316), (46, 612578), (68, 414391), (86, 327658), (92, 306289), (172, 163829), (391, 72068), (419, 67252), (731, 38548), (782, 36034), (838, 33626), (989, 28492), (1462, 19274), (1564, 18017), (1676, 16813), (1978, 14246), (2924, 9637), (3956, 7123)]