221982068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10151}}^1$

素因数の和:10244

約数の個数: 48

約数和(自身を含む): 491194368

約数和(自身を除く): 269212300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 10151, 10934, 20302, 21868, 40604, 71057, 111661, 142114, 223322, 284228, 446644, 720721, 781627, 1441442, 1563254, 2882884, 3126508, 5045047, 7927931, 10090094, 15855862, 20180188, 31711724, 55495517, 110991034, 221982068]

約数ペア:

[(1, 221982068), (2, 110991034), (4, 55495517), (7, 31711724), (11, 20180188), (14, 15855862), (22, 10090094), (28, 7927931), (44, 5045047), (71, 3126508), (77, 2882884), (142, 1563254), (154, 1441442), (284, 781627), (308, 720721), (497, 446644), (781, 284228), (994, 223322), (1562, 142114), (1988, 111661), (3124, 71057), (5467, 40604), (10151, 21868), (10934, 20302)]