81657248

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{11443}}^1$

素因数の和:11676

約数の個数: 24

約数和(自身を含む): 161497728

約数和(自身を除く): 79840480

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 3568, 7136, 11443, 22886, 45772, 91544, 183088, 366176, 2551789, 5103578, 10207156, 20414312, 40828624, 81657248]

約数ペア:

[(1, 81657248), (2, 40828624), (4, 20414312), (8, 10207156), (16, 5103578), (32, 2551789), (223, 366176), (446, 183088), (892, 91544), (1784, 45772), (3568, 22886), (7136, 11443)]