16874405

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 21201264

約数和(自身を除く): 4326859

約数列:

[1, 5, 37, 53, 185, 265, 1721, 1961, 8605, 9805, 63677, 91213, 318385, 456065, 3374881, 16874405]

約数ペア:

[(1, 16874405), (5, 3374881), (37, 456065), (53, 318385), (185, 91213), (265, 63677), (1721, 9805), (1961, 8605)]