217173895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4707

約数の個数: 32

約数和(自身を含む): 300542400

約数和(自身を除く): 83368505

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 493, 551, 1615, 2465, 2755, 4637, 9367, 23185, 46835, 78829, 88103, 134473, 394145, 440515, 672365, 1497751, 2286041, 2554987, 7488755, 11430205, 12774935, 43434779, 217173895]

約数ペア:

[(1, 217173895), (5, 43434779), (17, 12774935), (19, 11430205), (29, 7488755), (85, 2554987), (95, 2286041), (145, 1497751), (323, 672365), (493, 440515), (551, 394145), (1615, 134473), (2465, 88103), (2755, 78829), (4637, 46835), (9367, 23185)]