80521616

素因数分解:

$2^4\times 7^1\times {\mathrm{718943}}^1$

素因数の和:718958

約数の個数: 20

約数和(自身を含む): 178298112

約数和(自身を除く): 97776496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 718943, 1437886, 2875772, 5032601, 5751544, 10065202, 11503088, 20130404, 40260808, 80521616]

約数ペア:

[(1, 80521616), (2, 40260808), (4, 20130404), (7, 11503088), (8, 10065202), (14, 5751544), (16, 5032601), (28, 2875772), (56, 1437886), (112, 718943)]