251017006

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:660

約数の個数: 24

約数和(自身を含む): 388915560

約数和(自身を除く): 137898554

約数列:

[1, 2, 41, 82, 197, 379, 394, 758, 1681, 3362, 8077, 15539, 16154, 31078, 74663, 149326, 331157, 637099, 662314, 1274198, 3061183, 6122366, 125508503, 251017006]

約数ペア:

[(1, 251017006), (2, 125508503), (41, 6122366), (82, 3061183), (197, 1274198), (379, 662314), (394, 637099), (758, 331157), (1681, 149326), (3362, 74663), (8077, 31078), (15539, 16154)]