25087972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 54503680

約数和(自身を除く): 29415708

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 439, 628, 878, 1099, 1756, 2041, 2198, 3073, 4082, 4396, 5707, 6146, 8164, 11414, 12292, 14287, 22828, 28574, 39949, 57148, 68923, 79898, 137846, 159796, 275692, 482461, 895999, 964922, 1791998, 1929844, 3583996, 6271993, 12543986, 25087972]

約数ペア:

[(1, 25087972), (2, 12543986), (4, 6271993), (7, 3583996), (13, 1929844), (14, 1791998), (26, 964922), (28, 895999), (52, 482461), (91, 275692), (157, 159796), (182, 137846), (314, 79898), (364, 68923), (439, 57148), (628, 39949), (878, 28574), (1099, 22828), (1756, 14287), (2041, 12292), (2198, 11414), (3073, 8164), (4082, 6146), (4396, 5707)]