28955395

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26687}}^1$

素因数の和:26730

約数の個数: 16

約数和(自身を含む): 40992768

約数和(自身を除く): 12037373

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26687, 133435, 186809, 827297, 934045, 4136485, 5791079, 28955395]

約数ペア:

[(1, 28955395), (5, 5791079), (7, 4136485), (31, 934045), (35, 827297), (155, 186809), (217, 133435), (1085, 26687)]