268996889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 340623360

約数和(自身を除く): 71626471

約数列:

[1, 7, 19, 31, 53, 133, 217, 371, 589, 1007, 1231, 1643, 4123, 7049, 8617, 11501, 23389, 31217, 38161, 65243, 163723, 218519, 267127, 456701, 725059, 1239617, 2022533, 5075413, 8677319, 14157731, 38428127, 268996889]

約数ペア:

[(1, 268996889), (7, 38428127), (19, 14157731), (31, 8677319), (53, 5075413), (133, 2022533), (217, 1239617), (371, 725059), (589, 456701), (1007, 267127), (1231, 218519), (1643, 163723), (4123, 65243), (7049, 38161), (8617, 31217), (11501, 23389)]