189928319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 233985024

約数和(自身を除く): 44056705

約数列:

[1, 7, 23, 61, 83, 161, 233, 427, 581, 1403, 1631, 1909, 5063, 5359, 9821, 13363, 14213, 19339, 35441, 37513, 99491, 116449, 135373, 326899, 444797, 815143, 1179679, 2288293, 3113579, 8257753, 27132617, 189928319]

約数ペア:

[(1, 189928319), (7, 27132617), (23, 8257753), (61, 3113579), (83, 2288293), (161, 1179679), (233, 815143), (427, 444797), (581, 326899), (1403, 135373), (1631, 116449), (1909, 99491), (5063, 37513), (5359, 35441), (9821, 19339), (13363, 14213)]