199423259

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 245242080

約数和(自身を除く): 45818821

約数列:

[1, 7, 19, 53, 133, 361, 371, 1007, 1489, 2527, 7049, 10423, 19133, 28291, 78917, 133931, 198037, 537529, 552419, 1499423, 3762703, 10495961, 28489037, 199423259]

約数ペア:

[(1, 199423259), (7, 28489037), (19, 10495961), (53, 3762703), (133, 1499423), (361, 552419), (371, 537529), (1007, 198037), (1489, 133931), (2527, 78917), (7049, 28291), (10423, 19133)]