28687166

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 43642368

約数和(自身を除く): 14955202

約数列:

[1, 2, 131, 223, 262, 446, 491, 982, 29213, 58426, 64321, 109493, 128642, 218986, 14343583, 28687166]

約数ペア:

[(1, 28687166), (2, 14343583), (131, 218986), (223, 128642), (262, 109493), (446, 64321), (491, 58426), (982, 29213)]