28639415

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5419}}^1$

素因数の和:5582

約数の個数: 16

約数和(自身を含む): 39544320

約数和(自身を除く): 10904905

約数列:

[1, 5, 7, 35, 151, 755, 1057, 5285, 5419, 27095, 37933, 189665, 818269, 4091345, 5727883, 28639415]

約数ペア:

[(1, 28639415), (5, 5727883), (7, 4091345), (35, 818269), (151, 189665), (755, 37933), (1057, 27095), (5285, 5419)]