28947005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1783}}^1$

素因数の和:1996

約数の個数: 16

約数和(自身を含む): 36993024

約数和(自身を除く): 8046019

約数列:

[1, 5, 17, 85, 191, 955, 1783, 3247, 8915, 16235, 30311, 151555, 340553, 1702765, 5789401, 28947005]

約数ペア:

[(1, 28947005), (5, 5789401), (17, 1702765), (85, 340553), (191, 151555), (955, 30311), (1783, 16235), (3247, 8915)]