205800776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{3511}}^1$

素因数の和:3965

約数の個数: 32

約数和(自身を含む): 409639680

約数和(自身を除く): 203838904

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 431, 862, 1724, 3448, 3511, 7022, 7327, 14044, 14654, 28088, 29308, 58616, 59687, 119374, 238748, 477496, 1513241, 3026482, 6052964, 12105928, 25725097, 51450194, 102900388, 205800776]

約数ペア:

[(1, 205800776), (2, 102900388), (4, 51450194), (8, 25725097), (17, 12105928), (34, 6052964), (68, 3026482), (136, 1513241), (431, 477496), (862, 238748), (1724, 119374), (3448, 59687), (3511, 58616), (7022, 29308), (7327, 28088), (14044, 14654)]