128887976

素因数分解:

$2^3\times 7^1\times {\mathrm{2301571}}^1$

素因数の和:2301584

約数の個数: 16

約数和(自身を含む): 276188640

約数和(自身を除く): 147300664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2301571, 4603142, 9206284, 16110997, 18412568, 32221994, 64443988, 128887976]

約数ペア:

[(1, 128887976), (2, 64443988), (4, 32221994), (7, 18412568), (8, 16110997), (14, 9206284), (28, 4603142), (56, 2301571)]