678741286279

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{18621671}}^1$

素因数の和:18621846

約数の個数: 16

約数和(自身を含む): 800880869376

約数和(自身を除く): 122139583097

約数列:

[1, 7, 41, 127, 287, 889, 5207, 36449, 18621671, 130351697, 763488511, 2364952217, 5344419577, 16554665519, 96963040897, 678741286279]

約数ペア:

[(1, 678741286279), (7, 96963040897), (41, 16554665519), (127, 5344419577), (287, 2364952217), (889, 763488511), (5207, 130351697), (36449, 18621671)]