279807488

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 120

約数和(自身を含む): 623097024

約数和(自身を除く): 343289536

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 61, 62, 64, 68, 122, 124, 128, 136, 244, 248, 256, 272, 289, 488, 496, 512, 527, 544, 578, 976, 992, 1037, 1054, 1088, 1156, 1891, 1952, 1984, 2074, 2108, 2176, 2312, 3782, 3904, 3968, 4148, 4216, 4352, 4624, 7564, 7808, 7936, 8296, 8432, 8704, 8959, 9248, 15128, 15616, 15872, 16592, 16864, 17629, 17918, 18496, 30256, 31232, 32147, 33184, 33728, 35258, 35836, 36992, 60512, 64294, 66368, 67456, 70516, 71672, 73984, 121024, 128588, 132736, 134912, 141032, 143344, 147968, 242048, 257176, 265472, 269824, 282064, 286688, 484096, 514352, 530944, 546499, 564128, 573376, 968192, 1028704, 1092998, 1128256, 1146752, 2057408, 2185996, 2256512, 2293504, 4114816, 4371992, 4513024, 4587008, 8229632, 8743984, 9026048, 16459264, 17487968, 34975936, 69951872, 139903744, 279807488]

約数ペア:

[(1, 279807488), (2, 139903744), (4, 69951872), (8, 34975936), (16, 17487968), (17, 16459264), (31, 9026048), (32, 8743984), (34, 8229632), (61, 4587008), (62, 4513024), (64, 4371992), (68, 4114816), (122, 2293504), (124, 2256512), (128, 2185996), (136, 2057408), (244, 1146752), (248, 1128256), (256, 1092998), (272, 1028704), (289, 968192), (488, 573376), (496, 564128), (512, 546499), (527, 530944), (544, 514352), (578, 484096), (976, 286688), (992, 282064), (1037, 269824), (1054, 265472), (1088, 257176), (1156, 242048), (1891, 147968), (1952, 143344), (1984, 141032), (2074, 134912), (2108, 132736), (2176, 128588), (2312, 121024), (3782, 73984), (3904, 71672), (3968, 70516), (4148, 67456), (4216, 66368), (4352, 64294), (4624, 60512), (7564, 36992), (7808, 35836), (7936, 35258), (8296, 33728), (8432, 33184), (8704, 32147), (8959, 31232), (9248, 30256), (15128, 18496), (15616, 17918), (15872, 17629), (16592, 16864)]