12438490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17519}}^1$

素因数の和:17597

約数の個数: 16

約数和(自身を含む): 22705920

約数和(自身を除く): 10267430

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 17519, 35038, 87595, 175190, 1243849, 2487698, 6219245, 12438490]

約数ペア:

[(1, 12438490), (2, 6219245), (5, 2487698), (10, 1243849), (71, 175190), (142, 87595), (355, 35038), (710, 17519)]