64155685825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{812869}}^1$

素因数の和:812938

約数の個数: 48

約数和(自身を含む): 101602247040

約数和(自身を除く): 37446561215

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 275, 287, 385, 451, 1025, 1435, 1925, 2255, 3157, 7175, 11275, 15785, 78925, 812869, 4064345, 5690083, 8941559, 20321725, 28450415, 33327629, 44707795, 62590913, 142252075, 166638145, 223538975, 233293403, 312954565, 366603919, 833190725, 1166467015, 1564772825, 1833019595, 2566227433, 5832335075, 9165097975, 12831137165, 64155685825]

約数ペア:

[(1, 64155685825), (5, 12831137165), (7, 9165097975), (11, 5832335075), (25, 2566227433), (35, 1833019595), (41, 1564772825), (55, 1166467015), (77, 833190725), (175, 366603919), (205, 312954565), (275, 233293403), (287, 223538975), (385, 166638145), (451, 142252075), (1025, 62590913), (1435, 44707795), (1925, 33327629), (2255, 28450415), (3157, 20321725), (7175, 8941559), (11275, 5690083), (15785, 4064345), (78925, 812869)]