28812881

素因数分解:

${\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 30554304

約数和(自身を除く): 1741423

約数列:

[1, 43, 67, 73, 137, 2881, 3139, 4891, 5891, 9179, 10001, 210313, 394697, 430043, 670067, 28812881]

約数ペア:

[(1, 28812881), (43, 670067), (67, 430043), (73, 394697), (137, 210313), (2881, 10001), (3139, 9179), (4891, 5891)]