163989788

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{1823}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 294379008

約数和(自身を除く): 130389220

約数列:

[1, 2, 4, 43, 86, 172, 523, 1046, 1823, 2092, 3646, 7292, 22489, 44978, 78389, 89956, 156778, 313556, 953429, 1906858, 3813716, 40997447, 81994894, 163989788]

約数ペア:

[(1, 163989788), (2, 81994894), (4, 40997447), (43, 3813716), (86, 1906858), (172, 953429), (523, 313556), (1046, 156778), (1823, 89956), (2092, 78389), (3646, 44978), (7292, 22489)]