28736986

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{859}}^1$

素因数の和:1293

約数の個数: 16

約数和(自身を含む): 44272800

約数和(自身を除く): 15535814

約数列:

[1, 2, 43, 86, 389, 778, 859, 1718, 16727, 33454, 36937, 73874, 334151, 668302, 14368493, 28736986]

約数ペア:

[(1, 28736986), (2, 14368493), (43, 668302), (86, 334151), (389, 73874), (778, 36937), (859, 33454), (1718, 16727)]