28271135

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{821}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 34800192

約数和(自身を除く): 6529057

約数列:

[1, 5, 71, 97, 355, 485, 821, 4105, 6887, 34435, 58291, 79637, 291455, 398185, 5654227, 28271135]

約数ペア:

[(1, 28271135), (5, 5654227), (71, 398185), (97, 291455), (355, 79637), (485, 58291), (821, 34435), (4105, 6887)]