51209116

素因数分解:

$2^2\times 7^2\times {\mathrm{261271}}^1$

素因数の和:261289

約数の個数: 18

約数和(自身を含む): 104247528

約数和(自身を除く): 53038412

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 261271, 522542, 1045084, 1828897, 3657794, 7315588, 12802279, 25604558, 51209116]

約数ペア:

[(1, 51209116), (2, 25604558), (4, 12802279), (7, 7315588), (14, 3657794), (28, 1828897), (49, 1045084), (98, 522542), (196, 261271)]