16405285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3767}}^1$

素因数の和:3852

約数の個数: 16

約数和(自身を含む): 21522816

約数和(自身を除く): 5117531

約数列:

[1, 5, 13, 65, 67, 335, 871, 3767, 4355, 18835, 48971, 244855, 252389, 1261945, 3281057, 16405285]

約数ペア:

[(1, 16405285), (5, 3281057), (13, 1261945), (65, 252389), (67, 244855), (335, 48971), (871, 18835), (3767, 4355)]