128248576

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{2543}}^1$

素因数の和:2756

約数の個数: 36

約数和(自身を含む): 257396832

約数和(自身を除く): 129148256

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1576, 2543, 3152, 5086, 6304, 10172, 12608, 20344, 25216, 40688, 50432, 81376, 162752, 325504, 500971, 651008, 1001942, 2003884, 4007768, 8015536, 16031072, 32062144, 64124288, 128248576]

約数ペア:

[(1, 128248576), (2, 64124288), (4, 32062144), (8, 16031072), (16, 8015536), (32, 4007768), (64, 2003884), (128, 1001942), (197, 651008), (256, 500971), (394, 325504), (788, 162752), (1576, 81376), (2543, 50432), (3152, 40688), (5086, 25216), (6304, 20344), (10172, 12608)]