253406384

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2897}}^1$

素因数の和:2994

約数の個数: 80

約数和(自身を含む): 620960256

約数和(自身を除く): 367553872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 284, 308, 497, 568, 616, 781, 994, 1136, 1232, 1562, 1988, 2897, 3124, 3976, 5467, 5794, 6248, 7952, 10934, 11588, 12496, 20279, 21868, 23176, 31867, 40558, 43736, 46352, 63734, 81116, 87472, 127468, 162232, 205687, 223069, 254936, 324464, 411374, 446138, 509872, 822748, 892276, 1439809, 1645496, 1784552, 2262557, 2879618, 3290992, 3569104, 4525114, 5759236, 9050228, 11518472, 15837899, 18100456, 23036944, 31675798, 36200912, 63351596, 126703192, 253406384]

約数ペア:

[(1, 253406384), (2, 126703192), (4, 63351596), (7, 36200912), (8, 31675798), (11, 23036944), (14, 18100456), (16, 15837899), (22, 11518472), (28, 9050228), (44, 5759236), (56, 4525114), (71, 3569104), (77, 3290992), (88, 2879618), (112, 2262557), (142, 1784552), (154, 1645496), (176, 1439809), (284, 892276), (308, 822748), (497, 509872), (568, 446138), (616, 411374), (781, 324464), (994, 254936), (1136, 223069), (1232, 205687), (1562, 162232), (1988, 127468), (2897, 87472), (3124, 81116), (3976, 63734), (5467, 46352), (5794, 43736), (6248, 40558), (7952, 31867), (10934, 23176), (11588, 21868), (12496, 20279)]