128875216

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{9787}}^1$

素因数の和:10618

約数の個数: 20

約数和(自身を含む): 250024672

約数和(自身を除く): 121149456

約数列:

[1, 2, 4, 8, 16, 823, 1646, 3292, 6584, 9787, 13168, 19574, 39148, 78296, 156592, 8054701, 16109402, 32218804, 64437608, 128875216]

約数ペア:

[(1, 128875216), (2, 64437608), (4, 32218804), (8, 16109402), (16, 8054701), (823, 156592), (1646, 78296), (3292, 39148), (6584, 19574), (9787, 13168)]