2003456

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 5041344

約数和(自身を除く): 3037888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 43, 52, 56, 64, 86, 91, 104, 112, 128, 172, 182, 208, 224, 256, 301, 344, 364, 416, 448, 512, 559, 602, 688, 728, 832, 896, 1118, 1204, 1376, 1456, 1664, 1792, 2236, 2408, 2752, 2912, 3328, 3584, 3913, 4472, 4816, 5504, 5824, 6656, 7826, 8944, 9632, 11008, 11648, 15652, 17888, 19264, 22016, 23296, 31304, 35776, 38528, 46592, 62608, 71552, 77056, 125216, 143104, 154112, 250432, 286208, 500864, 1001728, 2003456]

約数ペア:

[(1, 2003456), (2, 1001728), (4, 500864), (7, 286208), (8, 250432), (13, 154112), (14, 143104), (16, 125216), (26, 77056), (28, 71552), (32, 62608), (43, 46592), (52, 38528), (56, 35776), (64, 31304), (86, 23296), (91, 22016), (104, 19264), (112, 17888), (128, 15652), (172, 11648), (182, 11008), (208, 9632), (224, 8944), (256, 7826), (301, 6656), (344, 5824), (364, 5504), (416, 4816), (448, 4472), (512, 3913), (559, 3584), (602, 3328), (688, 2912), (728, 2752), (832, 2408), (896, 2236), (1118, 1792), (1204, 1664), (1376, 1456)]