28271905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 35985600

約数和(自身を除く): 7713695

約数列:

[1, 5, 19, 95, 139, 695, 2141, 2641, 10705, 13205, 40679, 203395, 297599, 1487995, 5654381, 28271905]

約数ペア:

[(1, 28271905), (5, 5654381), (19, 1487995), (95, 297599), (139, 203395), (695, 40679), (2141, 13205), (2641, 10705)]