66991205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{5879}}^1$

素因数の和:5980

約数の個数: 16

約数和(自身を含む): 83825280

約数和(自身を除く): 16834075

約数列:

[1, 5, 43, 53, 215, 265, 2279, 5879, 11395, 29395, 252797, 311587, 1263985, 1557935, 13398241, 66991205]

約数ペア:

[(1, 66991205), (5, 13398241), (43, 1557935), (53, 1263985), (215, 311587), (265, 252797), (2279, 29395), (5879, 11395)]