15687728

素因数分解:

$2^4\times 7^1\times {\mathrm{140069}}^1$

素因数の和:140084

約数の個数: 20

約数和(自身を含む): 34737360

約数和(自身を除く): 19049632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 140069, 280138, 560276, 980483, 1120552, 1960966, 2241104, 3921932, 7843864, 15687728]

約数ペア:

[(1, 15687728), (2, 7843864), (4, 3921932), (7, 2241104), (8, 1960966), (14, 1120552), (16, 980483), (28, 560276), (56, 280138), (112, 140069)]