128672656

素因数分解:

$2^4\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2617}}^1$

素因数の和:3071

約数の個数: 40

約数和(自身を含む): 285676160

約数和(自身を除く): 157003504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 439, 878, 1756, 2617, 3073, 3512, 5234, 6146, 7024, 10468, 12292, 18319, 20936, 24584, 36638, 41872, 49168, 73276, 146552, 293104, 1148863, 2297726, 4595452, 8042041, 9190904, 16084082, 18381808, 32168164, 64336328, 128672656]

約数ペア:

[(1, 128672656), (2, 64336328), (4, 32168164), (7, 18381808), (8, 16084082), (14, 9190904), (16, 8042041), (28, 4595452), (56, 2297726), (112, 1148863), (439, 293104), (878, 146552), (1756, 73276), (2617, 49168), (3073, 41872), (3512, 36638), (5234, 24584), (6146, 20936), (7024, 18319), (10468, 12292)]