81749108

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1777}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 172053504

約数和(自身を除く): 90304396

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 1777, 3286, 3554, 6572, 7108, 11501, 12439, 23002, 24878, 46004, 49756, 55087, 94181, 110174, 188362, 220348, 376724, 385609, 659267, 771218, 1318534, 1542436, 2637068, 2919611, 5839222, 11678444, 20437277, 40874554, 81749108]

約数ペア:

[(1, 81749108), (2, 40874554), (4, 20437277), (7, 11678444), (14, 5839222), (28, 2919611), (31, 2637068), (53, 1542436), (62, 1318534), (106, 771218), (124, 659267), (212, 385609), (217, 376724), (371, 220348), (434, 188362), (742, 110174), (868, 94181), (1484, 55087), (1643, 49756), (1777, 46004), (3286, 24878), (3554, 23002), (6572, 12439), (7108, 11501)]