28681744

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19699}}^1$

素因数の和:19727

約数の個数: 40

約数和(自身を含む): 68398400

約数和(自身を除く): 39716656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19699, 39398, 78796, 137893, 157592, 256087, 275786, 315184, 512174, 551572, 1024348, 1103144, 1792609, 2048696, 2206288, 3585218, 4097392, 7170436, 14340872, 28681744]

約数ペア:

[(1, 28681744), (2, 14340872), (4, 7170436), (7, 4097392), (8, 3585218), (13, 2206288), (14, 2048696), (16, 1792609), (26, 1103144), (28, 1024348), (52, 551572), (56, 512174), (91, 315184), (104, 275786), (112, 256087), (182, 157592), (208, 137893), (364, 78796), (728, 39398), (1456, 19699)]