1256393989

素因数分解:

${\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 1298903040

約数和(自身を除く): 42509051

約数列:

[1, 47, 173, 191, 809, 8131, 8977, 33043, 38023, 139957, 154519, 1553021, 6577979, 7262393, 26731787, 1256393989]

約数ペア:

[(1, 1256393989), (47, 26731787), (173, 7262393), (191, 6577979), (809, 1553021), (8131, 154519), (8977, 139957), (33043, 38023)]