217512316

素因数分解:

$2^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{9439}}^1$

素因数の和:10273

約数の個数: 24

約数和(自身を含む): 435599360

約数和(自身を除く): 218087044

約数列:

[1, 2, 4, 7, 14, 28, 823, 1646, 3292, 5761, 9439, 11522, 18878, 23044, 37756, 66073, 132146, 264292, 7768297, 15536594, 31073188, 54378079, 108756158, 217512316]

約数ペア:

[(1, 217512316), (2, 108756158), (4, 54378079), (7, 31073188), (14, 15536594), (28, 7768297), (823, 264292), (1646, 132146), (3292, 66073), (5761, 37756), (9439, 23044), (11522, 18878)]