25471784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 51687720

約数和(自身を除く): 26215936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 953, 1028, 1906, 2056, 3341, 3812, 6682, 7624, 12389, 13364, 24778, 26728, 49556, 99112, 244921, 489842, 979684, 1959368, 3183973, 6367946, 12735892, 25471784]

約数ペア:

[(1, 25471784), (2, 12735892), (4, 6367946), (8, 3183973), (13, 1959368), (26, 979684), (52, 489842), (104, 244921), (257, 99112), (514, 49556), (953, 26728), (1028, 24778), (1906, 13364), (2056, 12389), (3341, 7624), (3812, 6682)]