28403210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258211}}^1$

素因数の和:258229

約数の個数: 16

約数和(自身を含む): 55773792

約数和(自身を除く): 27370582

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258211, 516422, 1291055, 2582110, 2840321, 5680642, 14201605, 28403210]

約数ペア:

[(1, 28403210), (2, 14201605), (5, 5680642), (10, 2840321), (11, 2582110), (22, 1291055), (55, 516422), (110, 258211)]