254721792

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 754546688

約数和(自身を除く): 499824896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 744, 768, 806, 823, 832, 992, 1209, 1248, 1488, 1612, 1646, 1664, 1984, 2418, 2469, 2496, 2976, 3224, 3292, 3328, 3968, 4836, 4938, 4992, 5952, 6448, 6584, 7936, 9672, 9876, 9984, 10699, 11904, 12896, 13168, 19344, 19752, 21398, 23808, 25513, 25792, 26336, 32097, 38688, 39504, 42796, 51026, 51584, 52672, 64194, 76539, 77376, 79008, 85592, 102052, 103168, 105344, 128388, 153078, 154752, 158016, 171184, 204104, 210688, 256776, 306156, 309504, 316032, 331669, 342368, 408208, 513552, 612312, 632064, 663338, 684736, 816416, 995007, 1027104, 1224624, 1326676, 1369472, 1632832, 1990014, 2054208, 2449248, 2653352, 2738944, 3265664, 3980028, 4108416, 4898496, 5306704, 6531328, 7960056, 8216832, 9796992, 10613408, 15920112, 19593984, 21226816, 31840224, 42453632, 63680448, 84907264, 127360896, 254721792]

約数ペア:

[(1, 254721792), (2, 127360896), (3, 84907264), (4, 63680448), (6, 42453632), (8, 31840224), (12, 21226816), (13, 19593984), (16, 15920112), (24, 10613408), (26, 9796992), (31, 8216832), (32, 7960056), (39, 6531328), (48, 5306704), (52, 4898496), (62, 4108416), (64, 3980028), (78, 3265664), (93, 2738944), (96, 2653352), (104, 2449248), (124, 2054208), (128, 1990014), (156, 1632832), (186, 1369472), (192, 1326676), (208, 1224624), (248, 1027104), (256, 995007), (312, 816416), (372, 684736), (384, 663338), (403, 632064), (416, 612312), (496, 513552), (624, 408208), (744, 342368), (768, 331669), (806, 316032), (823, 309504), (832, 306156), (992, 256776), (1209, 210688), (1248, 204104), (1488, 171184), (1612, 158016), (1646, 154752), (1664, 153078), (1984, 128388), (2418, 105344), (2469, 103168), (2496, 102052), (2976, 85592), (3224, 79008), (3292, 77376), (3328, 76539), (3968, 64194), (4836, 52672), (4938, 51584), (4992, 51026), (5952, 42796), (6448, 39504), (6584, 38688), (7936, 32097), (9672, 26336), (9876, 25792), (9984, 25513), (10699, 23808), (11904, 21398), (12896, 19752), (13168, 19344)]