28131988

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 50982624

約数和(自身を除く): 22850636

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1451, 2902, 4847, 5804, 9694, 19388, 53687, 107374, 190081, 214748, 380162, 760324, 7032997, 14065994, 28131988]

約数ペア:

[(1, 28131988), (2, 14065994), (4, 7032997), (37, 760324), (74, 380162), (131, 214748), (148, 190081), (262, 107374), (524, 53687), (1451, 19388), (2902, 9694), (4847, 5804)]