257412304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{846751}}^1$

素因数の和:846778

約数の個数: 20

約数和(自身を含む): 524986240

約数和(自身を除く): 267573936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 846751, 1693502, 3387004, 6774008, 13548016, 16088269, 32176538, 64353076, 128706152, 257412304]

約数ペア:

[(1, 257412304), (2, 128706152), (4, 64353076), (8, 32176538), (16, 16088269), (19, 13548016), (38, 6774008), (76, 3387004), (152, 1693502), (304, 846751)]