28478065

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{10567}}^1$

素因数の和:10597

約数の個数: 24

約数和(自身を含む): 43371072

約数和(自身を除く): 14893007

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 10567, 52835, 73969, 116237, 369845, 517783, 581185, 813659, 2588915, 4068295, 5695613, 28478065]

約数ペア:

[(1, 28478065), (5, 5695613), (7, 4068295), (11, 2588915), (35, 813659), (49, 581185), (55, 517783), (77, 369845), (245, 116237), (385, 73969), (539, 52835), (2695, 10567)]