28397135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8243}}^1$

素因数の和:8314

約数の個数: 16

約数和(自身を含む): 37394784

約数和(自身を除く): 8997649

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 8243, 41215, 107159, 436879, 535795, 2184395, 5679427, 28397135]

約数ペア:

[(1, 28397135), (5, 5679427), (13, 2184395), (53, 535795), (65, 436879), (265, 107159), (689, 41215), (3445, 8243)]