7881475745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{26183}}^1$

素因数の和:26633

約数の個数: 32

約数和(自身を含む): 11138045184

約数和(自身を除く): 3256569439

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 715, 2105, 4631, 5473, 23155, 26183, 27365, 60203, 130915, 288013, 301015, 340379, 1440065, 1701895, 3744169, 11023043, 18720845, 55115215, 121253473, 143299559, 606267365, 716497795, 1576295149, 7881475745]

約数ペア:

[(1, 7881475745), (5, 1576295149), (11, 716497795), (13, 606267365), (55, 143299559), (65, 121253473), (143, 55115215), (421, 18720845), (715, 11023043), (2105, 3744169), (4631, 1701895), (5473, 1440065), (23155, 340379), (26183, 301015), (27365, 288013), (60203, 130915)]