128905856

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{15031}}^1$

素因数の和:15112

約数の個数: 32

約数和(自身を含む): 260654880

約数和(自身を除く): 131749024

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 4288, 8576, 15031, 30062, 60124, 120248, 240496, 480992, 961984, 1007077, 1923968, 2014154, 4028308, 8056616, 16113232, 32226464, 64452928, 128905856]

約数ペア:

[(1, 128905856), (2, 64452928), (4, 32226464), (8, 16113232), (16, 8056616), (32, 4028308), (64, 2014154), (67, 1923968), (128, 1007077), (134, 961984), (268, 480992), (536, 240496), (1072, 120248), (2144, 60124), (4288, 30062), (8576, 15031)]