51647768

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 104441400

約数和(自身を除く): 52793632

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 251, 289, 356, 502, 578, 712, 1004, 1156, 1513, 2008, 2312, 3026, 4267, 6052, 8534, 12104, 17068, 22339, 25721, 34136, 44678, 51442, 72539, 89356, 102884, 145078, 178712, 205768, 290156, 379763, 580312, 759526, 1519052, 3038104, 6455971, 12911942, 25823884, 51647768]

約数ペア:

[(1, 51647768), (2, 25823884), (4, 12911942), (8, 6455971), (17, 3038104), (34, 1519052), (68, 759526), (89, 580312), (136, 379763), (178, 290156), (251, 205768), (289, 178712), (356, 145078), (502, 102884), (578, 89356), (712, 72539), (1004, 51442), (1156, 44678), (1513, 34136), (2008, 25721), (2312, 22339), (3026, 17068), (4267, 12104), (6052, 8534)]