138318032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{278867}}^1$

素因数の和:278906

約数の個数: 20

約数和(自身を含む): 276637056

約数和(自身を除く): 138319024

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 278867, 557734, 1115468, 2230936, 4461872, 8644877, 17289754, 34579508, 69159016, 138318032]

約数ペア:

[(1, 138318032), (2, 69159016), (4, 34579508), (8, 17289754), (16, 8644877), (31, 4461872), (62, 2230936), (124, 1115468), (248, 557734), (496, 278867)]