665504086

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{22123}}^1$

素因数の和:22240

約数の個数: 24

約数和(自身を含む): 1093146840

約数和(自身を除く): 427642754

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 1157, 2314, 15041, 22123, 30082, 44246, 287599, 575198, 1968947, 3738787, 3937894, 7477574, 25596311, 51192622, 332752043, 665504086]

約数ペア:

[(1, 665504086), (2, 332752043), (13, 51192622), (26, 25596311), (89, 7477574), (169, 3937894), (178, 3738787), (338, 1968947), (1157, 575198), (2314, 287599), (15041, 44246), (22123, 30082)]