201581639

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1117}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 244707840

約数和(自身を除く): 43126201

約数列:

[1, 7, 29, 49, 127, 203, 889, 1117, 1421, 3683, 6223, 7819, 25781, 32393, 54733, 141859, 180467, 226751, 993013, 1587257, 4113911, 6951091, 28797377, 201581639]

約数ペア:

[(1, 201581639), (7, 28797377), (29, 6951091), (49, 4113911), (127, 1587257), (203, 993013), (889, 226751), (1117, 180467), (1421, 141859), (3683, 54733), (6223, 32393), (7819, 25781)]