81117008

素因数分解:

$2^4\times 7^1\times {\mathrm{724259}}^1$

素因数の和:724274

約数の個数: 20

約数和(自身を含む): 179616480

約数和(自身を除く): 98499472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724259, 1448518, 2897036, 5069813, 5794072, 10139626, 11588144, 20279252, 40558504, 81117008]

約数ペア:

[(1, 81117008), (2, 40558504), (4, 20279252), (7, 11588144), (8, 10139626), (14, 5794072), (16, 5069813), (28, 2897036), (56, 1448518), (112, 724259)]