27904528

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12547}}^1$

素因数の和:12694

約数の個数: 20

約数和(自身を含む): 54458320

約数和(自身を除く): 26553792

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12547, 25094, 50188, 100376, 200752, 1744033, 3488066, 6976132, 13952264, 27904528]

約数ペア:

[(1, 27904528), (2, 13952264), (4, 6976132), (8, 3488066), (16, 1744033), (139, 200752), (278, 100376), (556, 50188), (1112, 25094), (2224, 12547)]