256478976

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{8563}}^1$

素因数の和:8598

約数の個数: 108

約数和(自身を含む): 796469128

約数和(自身を除く): 539990152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 8563, 9984, 14976, 17126, 25689, 29952, 34252, 51378, 68504, 77067, 102756, 111319, 137008, 154134, 205512, 222638, 274016, 308268, 333957, 411024, 445276, 548032, 616536, 667914, 822048, 890552, 1001871, 1096064, 1233072, 1335828, 1644096, 1781104, 2003742, 2192128, 2466144, 2671656, 3288192, 3562208, 4007484, 4932288, 5343312, 6576384, 7124416, 8014968, 9864576, 10686624, 14248832, 16029936, 19729152, 21373248, 28497664, 32059872, 42746496, 64119744, 85492992, 128239488, 256478976]

約数ペア:

[(1, 256478976), (2, 128239488), (3, 85492992), (4, 64119744), (6, 42746496), (8, 32059872), (9, 28497664), (12, 21373248), (13, 19729152), (16, 16029936), (18, 14248832), (24, 10686624), (26, 9864576), (32, 8014968), (36, 7124416), (39, 6576384), (48, 5343312), (52, 4932288), (64, 4007484), (72, 3562208), (78, 3288192), (96, 2671656), (104, 2466144), (117, 2192128), (128, 2003742), (144, 1781104), (156, 1644096), (192, 1335828), (208, 1233072), (234, 1096064), (256, 1001871), (288, 890552), (312, 822048), (384, 667914), (416, 616536), (468, 548032), (576, 445276), (624, 411024), (768, 333957), (832, 308268), (936, 274016), (1152, 222638), (1248, 205512), (1664, 154134), (1872, 137008), (2304, 111319), (2496, 102756), (3328, 77067), (3744, 68504), (4992, 51378), (7488, 34252), (8563, 29952), (9984, 25689), (14976, 17126)]