251750209

素因数分解:

${\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 277090632

約数和(自身を除く): 25340423

約数列:

[1, 19, 41, 73, 233, 361, 779, 1387, 2993, 4427, 9553, 14801, 17009, 26353, 56867, 84113, 181507, 323171, 697369, 1080473, 3448633, 6140249, 13250011, 251750209]

約数ペア:

[(1, 251750209), (19, 13250011), (41, 6140249), (73, 3448633), (233, 1080473), (361, 697369), (779, 323171), (1387, 181507), (2993, 84113), (4427, 56867), (9553, 26353), (14801, 17009)]