28882721

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 33951744

約数和(自身を除く): 5069023

約数列:

[1, 7, 53, 127, 371, 613, 889, 4291, 6731, 32489, 47117, 77851, 227423, 544957, 4126103, 28882721]

約数ペア:

[(1, 28882721), (7, 4126103), (53, 544957), (127, 227423), (371, 77851), (613, 47117), (889, 32489), (4291, 6731)]