205121264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{674741}}^1$

素因数の和:674768

約数の個数: 20

約数和(自身を含む): 418340040

約数和(自身を除く): 213218776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 674741, 1349482, 2698964, 5397928, 10795856, 12820079, 25640158, 51280316, 102560632, 205121264]

約数ペア:

[(1, 205121264), (2, 102560632), (4, 51280316), (8, 25640158), (16, 12820079), (19, 10795856), (38, 5397928), (76, 2698964), (152, 1349482), (304, 674741)]