25266628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 45904320

約数和(自身を除く): 20637692

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 2069, 3053, 4138, 6106, 8276, 12212, 88967, 146899, 177934, 293798, 355868, 587596, 6316657, 12633314, 25266628]

約数ペア:

[(1, 25266628), (2, 12633314), (4, 6316657), (43, 587596), (71, 355868), (86, 293798), (142, 177934), (172, 146899), (284, 88967), (2069, 12212), (3053, 8276), (4138, 6106)]