1297408

素因数分解:

$2^{10}\times 7^1\times {\mathrm{181}}^1$

素因数の和:208

約数の個数: 44

約数和(自身を含む): 2980432

約数和(自身を除く): 1683024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 181, 224, 256, 362, 448, 512, 724, 896, 1024, 1267, 1448, 1792, 2534, 2896, 3584, 5068, 5792, 7168, 10136, 11584, 20272, 23168, 40544, 46336, 81088, 92672, 162176, 185344, 324352, 648704, 1297408]

約数ペア:

[(1, 1297408), (2, 648704), (4, 324352), (7, 185344), (8, 162176), (14, 92672), (16, 81088), (28, 46336), (32, 40544), (56, 23168), (64, 20272), (112, 11584), (128, 10136), (181, 7168), (224, 5792), (256, 5068), (362, 3584), (448, 2896), (512, 2534), (724, 1792), (896, 1448), (1024, 1267)]