81208526

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 63943474

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 406, 973, 1439, 1946, 2878, 4031, 8062, 10073, 20146, 28217, 41731, 56434, 83462, 200021, 292117, 400042, 584234, 1400147, 2800294, 5800609, 11601218, 40604263, 81208526]

約数ペア:

[(1, 81208526), (2, 40604263), (7, 11601218), (14, 5800609), (29, 2800294), (58, 1400147), (139, 584234), (203, 400042), (278, 292117), (406, 200021), (973, 83462), (1439, 56434), (1946, 41731), (2878, 28217), (4031, 20146), (8062, 10073)]