638135046

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1541389}}^1$

素因数の和:1541420

約数の個数: 24

約数和(自身を含む): 1442741040

約数和(自身を除く): 804605994

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1541389, 3082778, 4624167, 9248334, 13872501, 27745002, 35451947, 70903894, 106355841, 212711682, 319067523, 638135046]

約数ペア:

[(1, 638135046), (2, 319067523), (3, 212711682), (6, 106355841), (9, 70903894), (18, 35451947), (23, 27745002), (46, 13872501), (69, 9248334), (138, 4624167), (207, 3082778), (414, 1541389)]