663180245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{1291}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 981093120

約数和(自身を除く): 317912875

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1129, 1291, 5645, 6455, 7903, 9037, 14677, 16783, 39515, 45185, 73385, 83915, 102739, 117481, 513695, 587405, 1457539, 7287695, 10202773, 18948007, 51013865, 94740035, 132636049, 663180245]

約数ペア:

[(1, 663180245), (5, 132636049), (7, 94740035), (13, 51013865), (35, 18948007), (65, 10202773), (91, 7287695), (455, 1457539), (1129, 587405), (1291, 513695), (5645, 117481), (6455, 102739), (7903, 83915), (9037, 73385), (14677, 45185), (16783, 39515)]