72871276

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{256589}}^1$

素因数の和:256664

約数の個数: 12

約数和(自身を含む): 129321360

約数和(自身を除く): 56450084

約数列:

[1, 2, 4, 71, 142, 284, 256589, 513178, 1026356, 18217819, 36435638, 72871276]

約数ペア:

[(1, 72871276), (2, 36435638), (4, 18217819), (71, 1026356), (142, 513178), (284, 256589)]