127283968

素因数分解:

$2^8\times 7^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 108

約数和(自身を含む): 301755720

約数和(自身を除く): 174471752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 139, 146, 196, 224, 256, 278, 292, 392, 448, 511, 556, 584, 784, 896, 973, 1022, 1112, 1168, 1568, 1792, 1946, 2044, 2224, 2336, 3136, 3577, 3892, 4088, 4448, 4672, 6272, 6811, 7154, 7784, 8176, 8896, 9344, 10147, 12544, 13622, 14308, 15568, 16352, 17792, 18688, 20294, 27244, 28616, 31136, 32704, 35584, 40588, 54488, 57232, 62272, 65408, 71029, 81176, 108976, 114464, 124544, 130816, 142058, 162352, 217952, 228928, 249088, 284116, 324704, 435904, 457856, 497203, 568232, 649408, 871808, 915712, 994406, 1136464, 1298816, 1743616, 1988812, 2272928, 2597632, 3977624, 4545856, 7955248, 9091712, 15910496, 18183424, 31820992, 63641984, 127283968]

約数ペア:

[(1, 127283968), (2, 63641984), (4, 31820992), (7, 18183424), (8, 15910496), (14, 9091712), (16, 7955248), (28, 4545856), (32, 3977624), (49, 2597632), (56, 2272928), (64, 1988812), (73, 1743616), (98, 1298816), (112, 1136464), (128, 994406), (139, 915712), (146, 871808), (196, 649408), (224, 568232), (256, 497203), (278, 457856), (292, 435904), (392, 324704), (448, 284116), (511, 249088), (556, 228928), (584, 217952), (784, 162352), (896, 142058), (973, 130816), (1022, 124544), (1112, 114464), (1168, 108976), (1568, 81176), (1792, 71029), (1946, 65408), (2044, 62272), (2224, 57232), (2336, 54488), (3136, 40588), (3577, 35584), (3892, 32704), (4088, 31136), (4448, 28616), (4672, 27244), (6272, 20294), (6811, 18688), (7154, 17792), (7784, 16352), (8176, 15568), (8896, 14308), (9344, 13622), (10147, 12544)]