28714270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220879}}^1$

素因数の和:220899

約数の個数: 16

約数和(自身を含む): 55661760

約数和(自身を除く): 26947490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220879, 441758, 1104395, 2208790, 2871427, 5742854, 14357135, 28714270]

約数ペア:

[(1, 28714270), (2, 14357135), (5, 5742854), (10, 2871427), (13, 2208790), (26, 1104395), (65, 441758), (130, 220879)]