279131776

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 128

約数和(自身を含む): 701890560

約数和(自身を除く): 422758784

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 127, 128, 154, 176, 223, 224, 254, 308, 352, 446, 448, 508, 616, 704, 889, 892, 896, 1016, 1232, 1397, 1408, 1561, 1778, 1784, 2032, 2453, 2464, 2794, 3122, 3556, 3568, 4064, 4906, 4928, 5588, 6244, 7112, 7136, 8128, 9779, 9812, 9856, 11176, 12488, 14224, 14272, 16256, 17171, 19558, 19624, 22352, 24976, 28321, 28448, 28544, 34342, 39116, 39248, 44704, 49952, 56642, 56896, 68684, 78232, 78496, 89408, 99904, 113284, 113792, 137368, 156464, 156992, 178816, 198247, 199808, 226568, 274736, 311531, 312928, 313984, 396494, 453136, 549472, 623062, 625856, 792988, 906272, 1098944, 1246124, 1251712, 1585976, 1812544, 2180717, 2197888, 2492248, 3171952, 3625088, 4361434, 4984496, 6343904, 8722868, 9968992, 12687808, 17445736, 19937984, 25375616, 34891472, 39875968, 69782944, 139565888, 279131776]

約数ペア:

[(1, 279131776), (2, 139565888), (4, 69782944), (7, 39875968), (8, 34891472), (11, 25375616), (14, 19937984), (16, 17445736), (22, 12687808), (28, 9968992), (32, 8722868), (44, 6343904), (56, 4984496), (64, 4361434), (77, 3625088), (88, 3171952), (112, 2492248), (127, 2197888), (128, 2180717), (154, 1812544), (176, 1585976), (223, 1251712), (224, 1246124), (254, 1098944), (308, 906272), (352, 792988), (446, 625856), (448, 623062), (508, 549472), (616, 453136), (704, 396494), (889, 313984), (892, 312928), (896, 311531), (1016, 274736), (1232, 226568), (1397, 199808), (1408, 198247), (1561, 178816), (1778, 156992), (1784, 156464), (2032, 137368), (2453, 113792), (2464, 113284), (2794, 99904), (3122, 89408), (3556, 78496), (3568, 78232), (4064, 68684), (4906, 56896), (4928, 56642), (5588, 49952), (6244, 44704), (7112, 39248), (7136, 39116), (8128, 34342), (9779, 28544), (9812, 28448), (9856, 28321), (11176, 24976), (12488, 22352), (14224, 19624), (14272, 19558), (16256, 17171)]