81387104

素因数分解:

$2^5\times {\mathrm{997}}^1\times {\mathrm{2551}}^1$

素因数の和:3558

約数の個数: 24

約数和(自身を含む): 160454448

約数和(自身を除く): 79067344

約数列:

[1, 2, 4, 8, 16, 32, 997, 1994, 2551, 3988, 5102, 7976, 10204, 15952, 20408, 31904, 40816, 81632, 2543347, 5086694, 10173388, 20346776, 40693552, 81387104]

約数ペア:

[(1, 81387104), (2, 40693552), (4, 20346776), (8, 10173388), (16, 5086694), (32, 2543347), (997, 81632), (1994, 40816), (2551, 31904), (3988, 20408), (5102, 15952), (7976, 10204)]