81390512

素因数分解:

$2^4\times 7^1\times {\mathrm{726701}}^1$

素因数の和:726716

約数の個数: 20

約数和(自身を含む): 180222096

約数和(自身を除く): 98831584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726701, 1453402, 2906804, 5086907, 5813608, 10173814, 11627216, 20347628, 40695256, 81390512]

約数ペア:

[(1, 81390512), (2, 40695256), (4, 20347628), (7, 11627216), (8, 10173814), (14, 5813608), (16, 5086907), (28, 2906804), (56, 1453402), (112, 726701)]