28737289

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 5891831

約数列:

[1, 7, 29, 53, 203, 371, 1537, 2671, 10759, 18697, 77459, 141563, 542213, 990941, 4105327, 28737289]

約数ペア:

[(1, 28737289), (7, 4105327), (29, 990941), (53, 542213), (203, 141563), (371, 77459), (1537, 18697), (2671, 10759)]