257866008

素因数分解:

$2^3\times 3^1\times {\mathrm{419}}^1\times {\mathrm{25643}}^1$

素因数の和:26071

約数の個数: 32

約数和(自身を含む): 646228800

約数和(自身を除く): 388362792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 419, 838, 1257, 1676, 2514, 3352, 5028, 10056, 25643, 51286, 76929, 102572, 153858, 205144, 307716, 615432, 10744417, 21488834, 32233251, 42977668, 64466502, 85955336, 128933004, 257866008]

約数ペア:

[(1, 257866008), (2, 128933004), (3, 85955336), (4, 64466502), (6, 42977668), (8, 32233251), (12, 21488834), (24, 10744417), (419, 615432), (838, 307716), (1257, 205144), (1676, 153858), (2514, 102572), (3352, 76929), (5028, 51286), (10056, 25643)]