28721552

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{2749}}^1$

素因数の和:3410

約数の個数: 20

約数和(自身を含む): 55753500

約数和(自身を除く): 27031948

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 2749, 5224, 5498, 10448, 10996, 21992, 43984, 1795097, 3590194, 7180388, 14360776, 28721552]

約数ペア:

[(1, 28721552), (2, 14360776), (4, 7180388), (8, 3590194), (16, 1795097), (653, 43984), (1306, 21992), (2612, 10996), (2749, 10448), (5224, 5498)]