128842672

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4153}}^1$

素因数の和:4445

約数の個数: 40

約数和(自身を含む): 286393376

約数和(自身を除く): 157550704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 1108, 1939, 2216, 3878, 4153, 4432, 7756, 8306, 15512, 16612, 29071, 31024, 33224, 58142, 66448, 116284, 232568, 465136, 1150381, 2300762, 4601524, 8052667, 9203048, 16105334, 18406096, 32210668, 64421336, 128842672]

約数ペア:

[(1, 128842672), (2, 64421336), (4, 32210668), (7, 18406096), (8, 16105334), (14, 9203048), (16, 8052667), (28, 4601524), (56, 2300762), (112, 1150381), (277, 465136), (554, 232568), (1108, 116284), (1939, 66448), (2216, 58142), (3878, 33224), (4153, 31024), (4432, 29071), (7756, 16612), (8306, 15512)]