291449928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6907

約数の個数: 128

約数和(自身を含む): 948049920

約数和(自身を除く): 656599992

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 56, 66, 69, 77, 84, 88, 92, 132, 138, 154, 161, 168, 184, 231, 253, 264, 276, 308, 322, 462, 483, 506, 552, 616, 644, 759, 924, 966, 1012, 1288, 1518, 1771, 1848, 1932, 2024, 3036, 3542, 3864, 5313, 6072, 6857, 7084, 10626, 13714, 14168, 20571, 21252, 27428, 41142, 42504, 47999, 54856, 75427, 82284, 95998, 143997, 150854, 157711, 164568, 191996, 226281, 287994, 301708, 315422, 383992, 452562, 473133, 527989, 575988, 603416, 630844, 905124, 946266, 1055978, 1103977, 1151976, 1261688, 1583967, 1734821, 1810248, 1892532, 2111956, 2207954, 3167934, 3311931, 3469642, 3785064, 4223912, 4415908, 5204463, 6335868, 6623862, 6939284, 8831816, 10408926, 12143747, 12671736, 13247724, 13878568, 20817852, 24287494, 26495448, 36431241, 41635704, 48574988, 72862482, 97149976, 145724964, 291449928]

約数ペア:

[(1, 291449928), (2, 145724964), (3, 97149976), (4, 72862482), (6, 48574988), (7, 41635704), (8, 36431241), (11, 26495448), (12, 24287494), (14, 20817852), (21, 13878568), (22, 13247724), (23, 12671736), (24, 12143747), (28, 10408926), (33, 8831816), (42, 6939284), (44, 6623862), (46, 6335868), (56, 5204463), (66, 4415908), (69, 4223912), (77, 3785064), (84, 3469642), (88, 3311931), (92, 3167934), (132, 2207954), (138, 2111956), (154, 1892532), (161, 1810248), (168, 1734821), (184, 1583967), (231, 1261688), (253, 1151976), (264, 1103977), (276, 1055978), (308, 946266), (322, 905124), (462, 630844), (483, 603416), (506, 575988), (552, 527989), (616, 473133), (644, 452562), (759, 383992), (924, 315422), (966, 301708), (1012, 287994), (1288, 226281), (1518, 191996), (1771, 164568), (1848, 157711), (1932, 150854), (2024, 143997), (3036, 95998), (3542, 82284), (3864, 75427), (5313, 54856), (6072, 47999), (6857, 42504), (7084, 41142), (10626, 27428), (13714, 21252), (14168, 20571)]