978889195

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{51157}}^1$

素因数の和:51294

約数の個数: 16

約数和(自身を含む): 1215514080

約数和(自身を除く): 236624885

約数列:

[1, 5, 43, 89, 215, 445, 3827, 19135, 51157, 255785, 2199751, 4552973, 10998755, 22764865, 195777839, 978889195]

約数ペア:

[(1, 978889195), (5, 195777839), (43, 22764865), (89, 10998755), (215, 4552973), (445, 2199751), (3827, 255785), (19135, 51157)]