13485961132

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{685123}}^1$

素因数の和:685190

約数の個数: 48

約数和(自身を含む): 29158877440

約数和(自身を除く): 15672916308

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 2812, 4921, 9842, 19684, 685123, 1370246, 2740492, 4795861, 9591722, 13017337, 19183444, 25349551, 26034674, 50699102, 52069348, 91121359, 101398204, 177446857, 182242718, 354893714, 364485436, 481641469, 709787428, 963282938, 1926565876, 3371490283, 6742980566, 13485961132]

約数ペア:

[(1, 13485961132), (2, 6742980566), (4, 3371490283), (7, 1926565876), (14, 963282938), (19, 709787428), (28, 481641469), (37, 364485436), (38, 354893714), (74, 182242718), (76, 177446857), (133, 101398204), (148, 91121359), (259, 52069348), (266, 50699102), (518, 26034674), (532, 25349551), (703, 19183444), (1036, 13017337), (1406, 9591722), (2812, 4795861), (4921, 2740492), (9842, 1370246), (19684, 685123)]