278364185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{877}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 379296000

約数和(自身を除く): 100931815

約数列:

[1, 5, 11, 29, 55, 145, 199, 319, 877, 995, 1595, 2189, 4385, 5771, 9647, 10945, 25433, 28855, 48235, 63481, 127165, 174523, 279763, 317405, 872615, 1398815, 1919753, 5061167, 9598765, 25305835, 55672837, 278364185]

約数ペア:

[(1, 278364185), (5, 55672837), (11, 25305835), (29, 9598765), (55, 5061167), (145, 1919753), (199, 1398815), (319, 872615), (877, 317405), (995, 279763), (1595, 174523), (2189, 127165), (4385, 63481), (5771, 48235), (9647, 28855), (10945, 25433)]