1280491396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{285569}}^1$

素因数の和:285651

約数の個数: 24

約数和(自身を含む): 2398788000

約数和(自身を除く): 1118296604

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 285569, 571138, 1142276, 5425811, 10851622, 16848571, 21703244, 33697142, 67394284, 320122849, 640245698, 1280491396]

約数ペア:

[(1, 1280491396), (2, 640245698), (4, 320122849), (19, 67394284), (38, 33697142), (59, 21703244), (76, 16848571), (118, 10851622), (236, 5425811), (1121, 1142276), (2242, 571138), (4484, 285569)]