2139904

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 4607176

約数和(自身を除く): 2467272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 643, 832, 1286, 1664, 2572, 3328, 5144, 8359, 10288, 16718, 20576, 33436, 41152, 66872, 82304, 133744, 164608, 267488, 534976, 1069952, 2139904]

約数ペア:

[(1, 2139904), (2, 1069952), (4, 534976), (8, 267488), (13, 164608), (16, 133744), (26, 82304), (32, 66872), (52, 41152), (64, 33436), (104, 20576), (128, 16718), (208, 10288), (256, 8359), (416, 5144), (643, 3328), (832, 2572), (1286, 1664)]