81657304

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{23041}}^1$

素因数の和:23490

約数の個数: 16

約数和(自身を含む): 153459720

約数和(自身を除く): 71802416

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 23041, 46082, 92164, 184328, 10207163, 20414326, 40828652, 81657304]

約数ペア:

[(1, 81657304), (2, 40828652), (4, 20414326), (8, 10207163), (443, 184328), (886, 92164), (1772, 46082), (3544, 23041)]