2157774385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1952737}}^1$

素因数の和:1952772

約数の個数: 16

約数和(自身を含む): 2952539856

約数和(自身を除く): 794765471

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1952737, 9763685, 25385581, 33196529, 126927905, 165982645, 431554877, 2157774385]

約数ペア:

[(1, 2157774385), (5, 431554877), (13, 165982645), (17, 126927905), (65, 33196529), (85, 25385581), (221, 9763685), (1105, 1952737)]