217422856

素因数分解:

$2^3\times 7^1\times {\mathrm{883}}^1\times {\mathrm{4397}}^1$

素因数の和:5293

約数の個数: 32

約数和(自身を含む): 466539840

約数和(自身を除く): 249116984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 883, 1766, 3532, 4397, 6181, 7064, 8794, 12362, 17588, 24724, 30779, 35176, 49448, 61558, 123116, 246232, 3882551, 7765102, 15530204, 27177857, 31060408, 54355714, 108711428, 217422856]

約数ペア:

[(1, 217422856), (2, 108711428), (4, 54355714), (7, 31060408), (8, 27177857), (14, 15530204), (28, 7765102), (56, 3882551), (883, 246232), (1766, 123116), (3532, 61558), (4397, 49448), (6181, 35176), (7064, 30779), (8794, 24724), (12362, 17588)]