217647521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{45127}}^1$

素因数の和:45200

約数の個数: 16

約数和(自身を含む): 272934144

約数和(自身を除く): 55286623

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 45127, 315889, 586651, 2391731, 4106557, 16742117, 31092503, 217647521]

約数ペア:

[(1, 217647521), (7, 31092503), (13, 16742117), (53, 4106557), (91, 2391731), (371, 586651), (689, 315889), (4823, 45127)]