1272855143

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1\times {\mathrm{1861}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 1465766400

約数和(自身を除く): 192911257

約数列:

[1, 7, 199, 491, 1393, 1861, 3437, 13027, 97709, 370339, 683963, 913751, 2592373, 6396257, 181836449, 1272855143]

約数ペア:

[(1, 1272855143), (7, 181836449), (199, 6396257), (491, 2592373), (1393, 913751), (1861, 683963), (3437, 370339), (13027, 97709)]