665069912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{20431}}^1$

素因数の和:20763

約数の個数: 32

約数和(自身を含む): 1347286080

約数和(自身を除く): 682216168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 626, 1252, 2504, 4069, 8138, 16276, 20431, 32552, 40862, 81724, 163448, 265603, 531206, 1062412, 2124824, 6394903, 12789806, 25579612, 51159224, 83133739, 166267478, 332534956, 665069912]

約数ペア:

[(1, 665069912), (2, 332534956), (4, 166267478), (8, 83133739), (13, 51159224), (26, 25579612), (52, 12789806), (104, 6394903), (313, 2124824), (626, 1062412), (1252, 531206), (2504, 265603), (4069, 163448), (8138, 81724), (16276, 40862), (20431, 32552)]