251549316

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{10867}}^1$

素因数の和:11520

約数の個数: 36

約数和(自身を含む): 636908272

約数和(自身を除く): 385358956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5787, 7716, 10867, 11574, 21734, 23148, 32601, 43468, 65202, 97803, 130404, 195606, 391212, 6987481, 13974962, 20962443, 27949924, 41924886, 62887329, 83849772, 125774658, 251549316]

約数ペア:

[(1, 251549316), (2, 125774658), (3, 83849772), (4, 62887329), (6, 41924886), (9, 27949924), (12, 20962443), (18, 13974962), (36, 6987481), (643, 391212), (1286, 195606), (1929, 130404), (2572, 97803), (3858, 65202), (5787, 43468), (7716, 32601), (10867, 23148), (11574, 21734)]