219311729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{1091}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 276040128

約数和(自身を除く): 56728399

約数列:

[1, 7, 13, 47, 91, 329, 611, 1091, 2209, 4277, 7637, 14183, 15463, 28717, 51277, 99281, 201019, 358939, 666601, 2410019, 4666207, 16870133, 31330247, 219311729]

約数ペア:

[(1, 219311729), (7, 31330247), (13, 16870133), (47, 4666207), (91, 2410019), (329, 666601), (611, 358939), (1091, 201019), (2209, 99281), (4277, 51277), (7637, 28717), (14183, 15463)]