139471724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{216571}}^1$

素因数の和:216605

約数の個数: 24

約数和(自身を含む): 291072768

約数和(自身を除く): 151601044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 216571, 433142, 866284, 1515997, 3031994, 4981133, 6063988, 9962266, 19924532, 34867931, 69735862, 139471724]

約数ペア:

[(1, 139471724), (2, 69735862), (4, 34867931), (7, 19924532), (14, 9962266), (23, 6063988), (28, 4981133), (46, 3031994), (92, 1515997), (161, 866284), (322, 433142), (644, 216571)]