138989872

素因数分解:

$2^4\times 7^2\times {\mathrm{177283}}^1$

素因数の和:177305

約数の個数: 30

約数和(自身を含む): 313260828

約数和(自身を除く): 174270956

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 177283, 354566, 709132, 1240981, 1418264, 2481962, 2836528, 4963924, 8686867, 9927848, 17373734, 19855696, 34747468, 69494936, 138989872]

約数ペア:

[(1, 138989872), (2, 69494936), (4, 34747468), (7, 19855696), (8, 17373734), (14, 9927848), (16, 8686867), (28, 4963924), (49, 2836528), (56, 2481962), (98, 1418264), (112, 1240981), (196, 709132), (392, 354566), (784, 177283)]