2019985105691

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{73296749}}^1$

素因数の和:73296914

約数の個数: 16

約数和(自身を含む): 2401787904000

約数和(自身を除く): 381802798309

約数列:

[1, 7, 31, 127, 217, 889, 3937, 27559, 73296749, 513077243, 2272199219, 9308687123, 15905394533, 65160809861, 288569300813, 2019985105691]

約数ペア:

[(1, 2019985105691), (7, 288569300813), (31, 65160809861), (127, 15905394533), (217, 9308687123), (889, 2272199219), (3937, 513077243), (27559, 73296749)]