487990867

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 610993152

約数和(自身を除く): 123002285

約数列:

[1, 7, 13, 91, 163, 167, 197, 1141, 1169, 1379, 2119, 2171, 2561, 14833, 15197, 17927, 27221, 32111, 32899, 190547, 224777, 230293, 353873, 417443, 427687, 2477111, 2922101, 2993809, 5362537, 37537759, 69712981, 487990867]

約数ペア:

[(1, 487990867), (7, 69712981), (13, 37537759), (91, 5362537), (163, 2993809), (167, 2922101), (197, 2477111), (1141, 427687), (1169, 417443), (1379, 353873), (2119, 230293), (2171, 224777), (2561, 190547), (14833, 32899), (15197, 32111), (17927, 27221)]