81036844

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40763}}^1$

素因数の和:40845

約数の個数: 24

約数和(自身を含む): 164360448

約数和(自身を除く): 83323604

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 40763, 81526, 163052, 285341, 570682, 1141364, 2894173, 5788346, 11576692, 20259211, 40518422, 81036844]

約数ペア:

[(1, 81036844), (2, 40518422), (4, 20259211), (7, 11576692), (14, 5788346), (28, 2894173), (71, 1141364), (142, 570682), (284, 285341), (497, 163052), (994, 81526), (1988, 40763)]