258471808

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 634521600

約数和(自身を除く): 376049792

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 71, 112, 119, 128, 136, 142, 224, 238, 239, 272, 284, 448, 476, 478, 497, 544, 568, 896, 952, 956, 994, 1088, 1136, 1207, 1673, 1904, 1912, 1988, 2176, 2272, 2414, 3346, 3808, 3824, 3976, 4063, 4544, 4828, 6692, 7616, 7648, 7952, 8126, 8449, 9088, 9656, 13384, 15232, 15296, 15904, 16252, 16898, 16969, 19312, 26768, 28441, 30592, 31808, 32504, 33796, 33938, 38624, 53536, 56882, 63616, 65008, 67592, 67876, 77248, 107072, 113764, 118783, 130016, 135184, 135752, 154496, 214144, 227528, 237566, 260032, 270368, 271504, 288473, 455056, 475132, 520064, 540736, 543008, 576946, 910112, 950264, 1081472, 1086016, 1153892, 1820224, 1900528, 2019311, 2172032, 2307784, 3640448, 3801056, 4038622, 4615568, 7602112, 8077244, 9231136, 15204224, 16154488, 18462272, 32308976, 36924544, 64617952, 129235904, 258471808]

約数ペア:

[(1, 258471808), (2, 129235904), (4, 64617952), (7, 36924544), (8, 32308976), (14, 18462272), (16, 16154488), (17, 15204224), (28, 9231136), (32, 8077244), (34, 7602112), (56, 4615568), (64, 4038622), (68, 3801056), (71, 3640448), (112, 2307784), (119, 2172032), (128, 2019311), (136, 1900528), (142, 1820224), (224, 1153892), (238, 1086016), (239, 1081472), (272, 950264), (284, 910112), (448, 576946), (476, 543008), (478, 540736), (497, 520064), (544, 475132), (568, 455056), (896, 288473), (952, 271504), (956, 270368), (994, 260032), (1088, 237566), (1136, 227528), (1207, 214144), (1673, 154496), (1904, 135752), (1912, 135184), (1988, 130016), (2176, 118783), (2272, 113764), (2414, 107072), (3346, 77248), (3808, 67876), (3824, 67592), (3976, 65008), (4063, 63616), (4544, 56882), (4828, 53536), (6692, 38624), (7616, 33938), (7648, 33796), (7952, 32504), (8126, 31808), (8449, 30592), (9088, 28441), (9656, 26768), (13384, 19312), (15232, 16969), (15296, 16898), (15904, 16252)]