201715115

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 313956000

約数和(自身を除く): 112240885

約数列:

[1, 5, 7, 17, 19, 35, 49, 85, 95, 119, 133, 245, 323, 595, 665, 833, 931, 1615, 2261, 2549, 4165, 4655, 11305, 12745, 15827, 17843, 43333, 48431, 79135, 89215, 124901, 216665, 242155, 303331, 339017, 624505, 823327, 1516655, 1695085, 2123317, 2373119, 4116635, 5763289, 10616585, 11865595, 28816445, 40343023, 201715115]

約数ペア:

[(1, 201715115), (5, 40343023), (7, 28816445), (17, 11865595), (19, 10616585), (35, 5763289), (49, 4116635), (85, 2373119), (95, 2123317), (119, 1695085), (133, 1516655), (245, 823327), (323, 624505), (595, 339017), (665, 303331), (833, 242155), (931, 216665), (1615, 124901), (2261, 89215), (2549, 79135), (4165, 48431), (4655, 43333), (11305, 17843), (12745, 15827)]