138345529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 173850624

約数和(自身を除く): 35505095

約数列:

[1, 7, 23, 31, 53, 161, 217, 371, 523, 713, 1219, 1643, 3661, 4991, 8533, 11501, 12029, 16213, 27719, 37789, 84203, 113491, 194033, 264523, 372899, 637537, 859289, 2610293, 4462759, 6015023, 19763647, 138345529]

約数ペア:

[(1, 138345529), (7, 19763647), (23, 6015023), (31, 4462759), (53, 2610293), (161, 859289), (217, 637537), (371, 372899), (523, 264523), (713, 194033), (1219, 113491), (1643, 84203), (3661, 37789), (4991, 27719), (8533, 16213), (11501, 12029)]