28165716

素因数分解:

$2^2\times 3^2\times {\mathrm{782381}}^1$

素因数の和:782391

約数の個数: 18

約数和(自身を含む): 71196762

約数和(自身を除く): 43031046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 782381, 1564762, 2347143, 3129524, 4694286, 7041429, 9388572, 14082858, 28165716]

約数ペア:

[(1, 28165716), (2, 14082858), (3, 9388572), (4, 7041429), (6, 4694286), (9, 3129524), (12, 2347143), (18, 1564762), (36, 782381)]