128817647

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{2593}}^1$

素因数の和:2798

約数の個数: 16

約数和(自身を含む): 151406592

約数和(自身を除く): 22588945

約数列:

[1, 7, 47, 151, 329, 1057, 2593, 7097, 18151, 49679, 121871, 391543, 853097, 2740801, 18402521, 128817647]

約数ペア:

[(1, 128817647), (7, 18402521), (47, 2740801), (151, 853097), (329, 391543), (1057, 121871), (2593, 49679), (7097, 18151)]