26778353

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 20

約数和(自身を含む): 32939760

約数和(自身を除く): 6161407

約数列:

[1, 7, 19, 49, 133, 343, 587, 931, 2401, 4109, 6517, 11153, 28763, 45619, 78071, 201341, 546497, 1409387, 3825479, 26778353]

約数ペア:

[(1, 26778353), (7, 3825479), (19, 1409387), (49, 546497), (133, 201341), (343, 78071), (587, 45619), (931, 28763), (2401, 11153), (4109, 6517)]