77812144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{255961}}^1$

素因数の和:255988

約数の個数: 20

約数和(自身を含む): 158696440

約数和(自身を除く): 80884296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 255961, 511922, 1023844, 2047688, 4095376, 4863259, 9726518, 19453036, 38906072, 77812144]

約数ペア:

[(1, 77812144), (2, 38906072), (4, 19453036), (8, 9726518), (16, 4863259), (19, 4095376), (38, 2047688), (76, 1023844), (152, 511922), (304, 255961)]