28029421

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 34128864

約数和(自身を除く): 6099443

約数列:

[1, 7, 43, 49, 53, 251, 301, 371, 1757, 2107, 2279, 2597, 10793, 12299, 13303, 15953, 75551, 93121, 111671, 528857, 572029, 651847, 4004203, 28029421]

約数ペア:

[(1, 28029421), (7, 4004203), (43, 651847), (49, 572029), (53, 528857), (251, 111671), (301, 93121), (371, 75551), (1757, 15953), (2107, 13303), (2279, 12299), (2597, 10793)]