257397301

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1901}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 318075264

約数和(自身を除く): 60677963

約数列:

[1, 7, 23, 29, 161, 203, 667, 841, 1901, 4669, 5887, 13307, 19343, 43723, 55129, 135401, 306061, 385903, 1267967, 1598741, 8875769, 11191187, 36771043, 257397301]

約数ペア:

[(1, 257397301), (7, 36771043), (23, 11191187), (29, 8875769), (161, 1598741), (203, 1267967), (667, 385903), (841, 306061), (1901, 135401), (4669, 55129), (5887, 43723), (13307, 19343)]