25981838

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 39631200

約数和(自身を除く): 13649362

約数列:

[1, 2, 97, 194, 199, 398, 673, 1346, 19303, 38606, 65281, 130562, 133927, 267854, 12990919, 25981838]

約数ペア:

[(1, 25981838), (2, 12990919), (97, 267854), (194, 133927), (199, 130562), (398, 65281), (673, 38606), (1346, 19303)]