287862016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 628521824

約数和(自身を除く): 340659808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 208, 256, 268, 416, 536, 832, 871, 1072, 1291, 1664, 1742, 2144, 2582, 3328, 3484, 4288, 5164, 6968, 8576, 10328, 13936, 16783, 17152, 20656, 27872, 33566, 41312, 55744, 67132, 82624, 86497, 111488, 134264, 165248, 172994, 222976, 268528, 330496, 345988, 537056, 691976, 1074112, 1124461, 1383952, 2148224, 2248922, 2767904, 4296448, 4497844, 5535808, 8995688, 11071616, 17991376, 22143232, 35982752, 71965504, 143931008, 287862016]

約数ペア:

[(1, 287862016), (2, 143931008), (4, 71965504), (8, 35982752), (13, 22143232), (16, 17991376), (26, 11071616), (32, 8995688), (52, 5535808), (64, 4497844), (67, 4296448), (104, 2767904), (128, 2248922), (134, 2148224), (208, 1383952), (256, 1124461), (268, 1074112), (416, 691976), (536, 537056), (832, 345988), (871, 330496), (1072, 268528), (1291, 222976), (1664, 172994), (1742, 165248), (2144, 134264), (2582, 111488), (3328, 86497), (3484, 82624), (4288, 67132), (5164, 55744), (6968, 41312), (8576, 33566), (10328, 27872), (13936, 20656), (16783, 17152)]