128668852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2467}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 261213120

約数和(自身を除く): 132544268

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 221, 236, 442, 767, 884, 1003, 1534, 2006, 2467, 3068, 4012, 4934, 9868, 13039, 26078, 32071, 41939, 52156, 64142, 83878, 128284, 145553, 167756, 291106, 545207, 582212, 1090414, 1892189, 2180828, 2474401, 3784378, 4948802, 7568756, 9897604, 32167213, 64334426, 128668852]

約数ペア:

[(1, 128668852), (2, 64334426), (4, 32167213), (13, 9897604), (17, 7568756), (26, 4948802), (34, 3784378), (52, 2474401), (59, 2180828), (68, 1892189), (118, 1090414), (221, 582212), (236, 545207), (442, 291106), (767, 167756), (884, 145553), (1003, 128284), (1534, 83878), (2006, 64142), (2467, 52156), (3068, 41939), (4012, 32071), (4934, 26078), (9868, 13039)]