25070864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 60912768

約数和(自身を除く): 35841904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 257, 268, 364, 469, 514, 536, 728, 871, 938, 1028, 1072, 1456, 1742, 1799, 1876, 2056, 3341, 3484, 3598, 3752, 4112, 6097, 6682, 6968, 7196, 7504, 12194, 13364, 13936, 14392, 17219, 23387, 24388, 26728, 28784, 34438, 46774, 48776, 53456, 68876, 93548, 97552, 120533, 137752, 187096, 223847, 241066, 275504, 374192, 447694, 482132, 895388, 964264, 1566929, 1790776, 1928528, 3133858, 3581552, 6267716, 12535432, 25070864]

約数ペア:

[(1, 25070864), (2, 12535432), (4, 6267716), (7, 3581552), (8, 3133858), (13, 1928528), (14, 1790776), (16, 1566929), (26, 964264), (28, 895388), (52, 482132), (56, 447694), (67, 374192), (91, 275504), (104, 241066), (112, 223847), (134, 187096), (182, 137752), (208, 120533), (257, 97552), (268, 93548), (364, 68876), (469, 53456), (514, 48776), (536, 46774), (728, 34438), (871, 28784), (938, 26728), (1028, 24388), (1072, 23387), (1456, 17219), (1742, 14392), (1799, 13936), (1876, 13364), (2056, 12194), (3341, 7504), (3484, 7196), (3598, 6968), (3752, 6682), (4112, 6097)]