1388458022

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{9439}}^1$

素因数の和:9553

約数の個数: 48

約数和(自身を含む): 2582784000

約数和(自身を除く): 1194325978

約数列:

[1, 2, 7, 14, 19, 38, 49, 79, 98, 133, 158, 266, 553, 931, 1106, 1501, 1862, 3002, 3871, 7742, 9439, 10507, 18878, 21014, 66073, 73549, 132146, 147098, 179341, 358682, 462511, 745681, 925022, 1255387, 1491362, 2510774, 5219767, 8787709, 10439534, 14167939, 17575418, 28335878, 36538369, 73076738, 99175573, 198351146, 694229011, 1388458022]

約数ペア:

[(1, 1388458022), (2, 694229011), (7, 198351146), (14, 99175573), (19, 73076738), (38, 36538369), (49, 28335878), (79, 17575418), (98, 14167939), (133, 10439534), (158, 8787709), (266, 5219767), (553, 2510774), (931, 1491362), (1106, 1255387), (1501, 925022), (1862, 745681), (3002, 462511), (3871, 358682), (7742, 179341), (9439, 147098), (10507, 132146), (18878, 73549), (21014, 66073)]