1280642762

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1\times {\mathrm{1693}}^1$

素因数の和:2534

約数の個数: 32

約数和(自身を含む): 2230550784

約数和(自身を除く): 949908022

約数列:

[1, 2, 7, 14, 71, 142, 497, 761, 994, 1522, 1693, 3386, 5327, 10654, 11851, 23702, 54031, 108062, 120203, 240406, 378217, 756434, 841421, 1288373, 1682842, 2576746, 9018611, 18037222, 91474483, 182948966, 640321381, 1280642762]

約数ペア:

[(1, 1280642762), (2, 640321381), (7, 182948966), (14, 91474483), (71, 18037222), (142, 9018611), (497, 2576746), (761, 1682842), (994, 1288373), (1522, 841421), (1693, 756434), (3386, 378217), (5327, 240406), (10654, 120203), (11851, 108062), (23702, 54031)]