813668863

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{30137}}^1$

素因数の和:30199

約数の個数: 24

約数和(自身を含む): 1030719600

約数和(自身を除く): 217050737

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1421, 3857, 26999, 30137, 210959, 572603, 873973, 1476713, 4008221, 6117811, 16605487, 28057547, 42824677, 116238409, 813668863]

約数ペア:

[(1, 813668863), (7, 116238409), (19, 42824677), (29, 28057547), (49, 16605487), (133, 6117811), (203, 4008221), (551, 1476713), (931, 873973), (1421, 572603), (3857, 210959), (26999, 30137)]