81702019

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{12983}}^1$

素因数の和:13050

約数の個数: 16

約数和(自身を含む): 99717120

約数和(自身を除く): 18015101

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 12983, 90881, 376507, 402473, 2635549, 2817311, 11671717, 81702019]

約数ペア:

[(1, 81702019), (7, 11671717), (29, 2817311), (31, 2635549), (203, 402473), (217, 376507), (899, 90881), (6293, 12983)]