31388014721

素因数分解:

$7^3\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{3457}}^1$

素因数の和:3838

約数の個数: 32

約数和(自身を含む): 37114022400

約数和(自身を除く): 5726007679

約数列:

[1, 7, 49, 103, 257, 343, 721, 1799, 3457, 5047, 12593, 24199, 26471, 35329, 88151, 169393, 185297, 356071, 888449, 1185751, 1297079, 2492497, 6219143, 9079553, 17447479, 43534001, 91510247, 122132353, 304738007, 640571729, 4484002103, 31388014721]

約数ペア:

[(1, 31388014721), (7, 4484002103), (49, 640571729), (103, 304738007), (257, 122132353), (343, 91510247), (721, 43534001), (1799, 17447479), (3457, 9079553), (5047, 6219143), (12593, 2492497), (24199, 1297079), (26471, 1185751), (35329, 888449), (88151, 356071), (169393, 185297)]