28065616

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19709}}^1$

素因数の和:19806

約数の個数: 20

約数和(自身を含む): 54990900

約数和(自身を除く): 26925284

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19709, 39418, 78836, 157672, 315344, 1754101, 3508202, 7016404, 14032808, 28065616]

約数ペア:

[(1, 28065616), (2, 14032808), (4, 7016404), (8, 3508202), (16, 1754101), (89, 315344), (178, 157672), (356, 78836), (712, 39418), (1424, 19709)]