218457344

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 540400896

約数和(自身を除く): 321943552

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 71, 101, 112, 119, 128, 136, 142, 202, 224, 238, 256, 272, 284, 404, 448, 476, 497, 544, 568, 707, 808, 896, 952, 994, 1088, 1136, 1207, 1414, 1616, 1717, 1792, 1904, 1988, 2176, 2272, 2414, 2828, 3232, 3434, 3808, 3976, 4352, 4544, 4828, 5656, 6464, 6868, 7171, 7616, 7952, 8449, 9088, 9656, 11312, 12019, 12928, 13736, 14342, 15232, 15904, 16898, 18176, 19312, 22624, 24038, 25856, 27472, 28684, 30464, 31808, 33796, 38624, 45248, 48076, 50197, 54944, 57368, 63616, 67592, 77248, 90496, 96152, 100394, 109888, 114736, 121907, 127232, 135184, 154496, 180992, 192304, 200788, 219776, 229472, 243814, 270368, 308992, 384608, 401576, 439552, 458944, 487628, 540736, 769216, 803152, 853349, 917888, 975256, 1081472, 1538432, 1606304, 1706698, 1835776, 1950512, 2162944, 3076864, 3212608, 3413396, 3901024, 6425216, 6826792, 7802048, 12850432, 13653584, 15604096, 27307168, 31208192, 54614336, 109228672, 218457344]

約数ペア:

[(1, 218457344), (2, 109228672), (4, 54614336), (7, 31208192), (8, 27307168), (14, 15604096), (16, 13653584), (17, 12850432), (28, 7802048), (32, 6826792), (34, 6425216), (56, 3901024), (64, 3413396), (68, 3212608), (71, 3076864), (101, 2162944), (112, 1950512), (119, 1835776), (128, 1706698), (136, 1606304), (142, 1538432), (202, 1081472), (224, 975256), (238, 917888), (256, 853349), (272, 803152), (284, 769216), (404, 540736), (448, 487628), (476, 458944), (497, 439552), (544, 401576), (568, 384608), (707, 308992), (808, 270368), (896, 243814), (952, 229472), (994, 219776), (1088, 200788), (1136, 192304), (1207, 180992), (1414, 154496), (1616, 135184), (1717, 127232), (1792, 121907), (1904, 114736), (1988, 109888), (2176, 100394), (2272, 96152), (2414, 90496), (2828, 77248), (3232, 67592), (3434, 63616), (3808, 57368), (3976, 54944), (4352, 50197), (4544, 48076), (4828, 45248), (5656, 38624), (6464, 33796), (6868, 31808), (7171, 30464), (7616, 28684), (7952, 27472), (8449, 25856), (9088, 24038), (9656, 22624), (11312, 19312), (12019, 18176), (12928, 16898), (13736, 15904), (14342, 15232)]