219778909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{35159}}^1$

素因数の和:35232

約数の個数: 16

約数和(自身を含む): 270028800

約数和(自身を除く): 50249891

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 35159, 246113, 668021, 1652473, 4676147, 11567311, 31396987, 219778909]

約数ペア:

[(1, 219778909), (7, 31396987), (19, 11567311), (47, 4676147), (133, 1652473), (329, 668021), (893, 246113), (6251, 35159)]