256213054

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{91309}}^1$

素因数の和:91395

約数の個数: 16

約数和(自身を含む): 407607840

約数和(自身を除く): 151394786

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 91309, 182618, 2100107, 4200214, 5569849, 11139698, 128106527, 256213054]

約数ペア:

[(1, 256213054), (2, 128106527), (23, 11139698), (46, 5569849), (61, 4200214), (122, 2100107), (1403, 182618), (2806, 91309)]