1987601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 528367

約数列:

[1, 7, 11, 77, 83, 311, 581, 913, 2177, 3421, 6391, 23947, 25813, 180691, 283943, 1987601]

約数ペア:

[(1, 1987601), (7, 283943), (11, 180691), (77, 25813), (83, 23947), (311, 6391), (581, 3421), (913, 2177)]