1247611988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1437341}}^1$

素因数の和:1437383

約数の個数: 24

約数和(自身を含む): 2575716864

約数和(自身を除く): 1328104876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1437341, 2874682, 5749364, 10061387, 20122774, 40245548, 44557571, 89115142, 178230284, 311902997, 623805994, 1247611988]

約数ペア:

[(1, 1247611988), (2, 623805994), (4, 311902997), (7, 178230284), (14, 89115142), (28, 44557571), (31, 40245548), (62, 20122774), (124, 10061387), (217, 5749364), (434, 2874682), (868, 1437341)]