181638145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 244823040

約数和(自身を除く): 63184895

約数列:

[1, 5, 13, 31, 65, 109, 155, 403, 545, 827, 1417, 2015, 3379, 4135, 7085, 10751, 16895, 25637, 43927, 53755, 90143, 128185, 219635, 333281, 450715, 1171859, 1666405, 2794433, 5859295, 13972165, 36327629, 181638145]

約数ペア:

[(1, 181638145), (5, 36327629), (13, 13972165), (31, 5859295), (65, 2794433), (109, 1666405), (155, 1171859), (403, 450715), (545, 333281), (827, 219635), (1417, 128185), (2015, 90143), (3379, 53755), (4135, 43927), (7085, 25637), (10751, 16895)]