28026505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{797}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 36331344

約数和(自身を除く): 8304839

約数列:

[1, 5, 13, 65, 541, 797, 2705, 3985, 7033, 10361, 35165, 51805, 431177, 2155885, 5605301, 28026505]

約数ペア:

[(1, 28026505), (5, 5605301), (13, 2155885), (65, 431177), (541, 51805), (797, 35165), (2705, 10361), (3985, 7033)]