31169988

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 81197760

約数和(自身を除く): 50027772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 771, 1028, 1123, 1542, 2246, 2313, 3084, 3369, 4492, 4626, 6738, 6939, 9252, 10107, 13476, 13878, 20214, 27756, 30321, 40428, 60642, 121284, 288611, 577222, 865833, 1154444, 1731666, 2597499, 3463332, 5194998, 7792497, 10389996, 15584994, 31169988]

約数ペア:

[(1, 31169988), (2, 15584994), (3, 10389996), (4, 7792497), (6, 5194998), (9, 3463332), (12, 2597499), (18, 1731666), (27, 1154444), (36, 865833), (54, 577222), (108, 288611), (257, 121284), (514, 60642), (771, 40428), (1028, 30321), (1123, 27756), (1542, 20214), (2246, 13878), (2313, 13476), (3084, 10107), (3369, 9252), (4492, 6939), (4626, 6738)]