28691879

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 31164672

約数和(自身を除く): 2472793

約数列:

[1, 23, 43, 67, 433, 989, 1541, 2881, 9959, 18619, 29011, 66263, 428237, 667253, 1247473, 28691879]

約数ペア:

[(1, 28691879), (23, 1247473), (43, 667253), (67, 428237), (433, 66263), (989, 29011), (1541, 18619), (2881, 9959)]