87480556

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{54539}}^1$

素因数の和:54944

約数の個数: 12

約数和(自身を含む): 153475560

約数和(自身を除く): 65995004

約数列:

[1, 2, 4, 401, 802, 1604, 54539, 109078, 218156, 21870139, 43740278, 87480556]

約数ペア:

[(1, 87480556), (2, 43740278), (4, 21870139), (401, 218156), (802, 109078), (1604, 54539)]