2128931728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{1787}}^1$

素因数の和:2780

約数の個数: 80

約数和(自身を含む): 5150813184

約数和(自身を除く): 3021881456

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 967, 1232, 1787, 1934, 3574, 3868, 6769, 7148, 7736, 10637, 12509, 13538, 14296, 15472, 19657, 21274, 25018, 27076, 28592, 39314, 42548, 50036, 54152, 74459, 78628, 85096, 100072, 108304, 137599, 148918, 157256, 170192, 200144, 275198, 297836, 314512, 550396, 595672, 1100792, 1191344, 1728029, 2201584, 3456058, 6912116, 12096203, 13824232, 19008319, 24192406, 27648464, 38016638, 48384812, 76033276, 96769624, 133058233, 152066552, 193539248, 266116466, 304133104, 532232932, 1064465864, 2128931728]

約数ペア:

[(1, 2128931728), (2, 1064465864), (4, 532232932), (7, 304133104), (8, 266116466), (11, 193539248), (14, 152066552), (16, 133058233), (22, 96769624), (28, 76033276), (44, 48384812), (56, 38016638), (77, 27648464), (88, 24192406), (112, 19008319), (154, 13824232), (176, 12096203), (308, 6912116), (616, 3456058), (967, 2201584), (1232, 1728029), (1787, 1191344), (1934, 1100792), (3574, 595672), (3868, 550396), (6769, 314512), (7148, 297836), (7736, 275198), (10637, 200144), (12509, 170192), (13538, 157256), (14296, 148918), (15472, 137599), (19657, 108304), (21274, 100072), (25018, 85096), (27076, 78628), (28592, 74459), (39314, 54152), (42548, 50036)]